31104100529 has 2 divisors, whose sum is σ = 31104100530. Its totient is φ = 31104100528.

The previous prime is 31104100519. The next prime is 31104100543. The reversal of 31104100529 is 92500140113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16853232400 + 14250868129 = 129820^2 + 119377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31104100529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31104100498 and 31104100507.

It is not a weakly prime, because it can be changed into another prime (31104100519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15552050264 + 15552050265.

It is an arithmetic number, because the mean of its divisors is an integer number (15552050265).

Almost surely, 2^31104100529 is an apocalyptic number.

It is an amenable number.

31104100529 is a deficient number, since it is larger than the sum of its proper divisors (1).

31104100529 is an equidigital number, since it uses as much as digits as its factorization.

31104100529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 31104100529 in words is "thirty-one billion, one hundred four million, one hundred thousand, five hundred twenty-nine".