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31030103110 = 257973893363
BaseRepresentation
bin11100111001100010…
…011100110001000110
32222002112121120012011
4130321202130301012
51002022201244420
622131030444434
72145645344626
oct347142346106
988075546164
1031030103110
1112183758816
12601bb0371a
132c06912176
141705190886
15c192a495a
hex73989cc46

31030103110 has 16 divisors (see below), whose sum is σ = 55924280496. Its totient is φ = 12396464608.

The previous prime is 31030103107. The next prime is 31030103119. The reversal of 31030103110 is 1130103013.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030103119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938712 + ... + 1954651.

It is an arithmetic number, because the mean of its divisors is an integer number (3495267531).

Almost surely, 231030103110 is an apocalyptic number.

31030103110 is a deficient number, since it is larger than the sum of its proper divisors (24894177386).

31030103110 is a wasteful number, since it uses less digits than its factorization.

31030103110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894167.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 31030103110 its reverse (1130103013), we get a palindrome (32160206123).

The spelling of 31030103110 in words is "thirty-one billion, thirty million, one hundred three thousand, one hundred ten".

Divisors: 1 2 5 10 797 1594 3985 7970 3893363 7786726 19466815 38933630 3103010311 6206020622 15515051555 31030103110