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31023132132132 = 22327354913468701
BaseRepresentation
bin1110000110111001000101…
…10001010100001100100100
311001211210010102022020202200
413003130202301110030210
513031240333311212012
6145551455151334500
76351230064125550
oct703344261241444
9131753112266680
1031023132132132
119980922354218
1235905a8221430
131440612c7b02a
14793755a78860
1538beb22503dc
hex1c3722c54324

31023132132132 has 72 divisors (see below), whose sum is σ = 89624932767552. Its totient is φ = 8863499736000.

The previous prime is 31023132132107. The next prime is 31023132132143. The reversal of 31023132132132 is 23123123132013.

31023132132132 is a `hidden beast` number, since 3 + 1 + 0 + 2 + 313 + 21 + 321 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31023132132096 and 31023132132105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7209382 + ... + 10678082.

Almost surely, 231023132132132 is an apocalyptic number.

It is an amenable number.

31023132132132 is an abundant number, since it is smaller than the sum of its proper divisors (58601800635420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31023132132132 is a wasteful number, since it uses less digits than its factorization.

31023132132132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504209 (or 3504204 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31023132132132 its reverse (23123123132013), we get a palindrome (54146255264145).

The spelling of 31023132132132 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-two million, one hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 35491 70982 106473 141964 212946 248437 319419 425892 496874 638838 745311 993748 1277676 1490622 2235933 2981244 3468701 4471866 6937402 8943732 10406103 13874804 20812206 24280907 31218309 41624412 48561814 62436618 72842721 97123628 124873236 145685442 218528163 291370884 437056326 874112652 123107667191 246215334382 369323001573 492430668764 738646003146 861753670337 1107969004719 1477292006292 1723507340674 2215938009438 2585261011011 3447014681348 4431876018876 5170522022022 7755783033033 10341044044044 15511566066066 31023132132132