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31120003321111 = 2356921023113111
BaseRepresentation
bin1110001001101101100001…
…01111100100110100010111
311002012001011112112112011201
413010312300233210310113
513034332231322233421
6150104155425213331
76361226456502205
oct704666057446427
9132161145475151
1031120003321111
119a08a1263a291
1235a7322191247
1314497b04b59b3
14798305362075
1538e78194eb91
hex1c4db0be4d17

31120003321111 has 16 divisors (see below), whose sum is σ = 32531952291840. Its totient is φ = 29712969056320.

The previous prime is 31120003321097. The next prime is 31120003321129. The reversal of 31120003321111 is 11112330002113.

Adding to 31120003321111 its reverse (11112330002113), we get a palindrome (42232333323224).

It is not a de Polignac number, because 31120003321111 - 25 = 31120003321079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120003325111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275071446 + ... + 275184556.

It is an arithmetic number, because the mean of its divisors is an integer number (2033247018240).

Almost surely, 231120003321111 is an apocalyptic number.

31120003321111 is a deficient number, since it is larger than the sum of its proper divisors (1411948970729).

31120003321111 is a wasteful number, since it uses less digits than its factorization.

31120003321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134726.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 31120003321111 in words is "thirty-one trillion, one hundred twenty billion, three million, three hundred twenty-one thousand, one hundred eleven".

Divisors: 1 23 569 13087 21023 113111 483529 2601553 11962087 64360159 275128001 1480283657 2377932553 54692448719 1353043622657 31120003321111