31104645427 has 2 divisors, whose sum is σ = 31104645428. Its totient is φ = 31104645426.

The previous prime is 31104645373. The next prime is 31104645433. The reversal of 31104645427 is 72454640113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31104645427 - 2²⁷ = 30970427699 is a prime.

It is not a weakly prime, because it can be changed into another prime (31104645227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15552322713 + 15552322714.

It is an arithmetic number, because the mean of its divisors is an integer number (15552322714).

Almost surely, 2^31104645427 is an apocalyptic number.

31104645427 is a deficient number, since it is larger than the sum of its proper divisors (1).

31104645427 is an equidigital number, since it uses as much as digits as its factorization.

31104645427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 31104645427 in words is "thirty-one billion, one hundred four million, six hundred forty-five thousand, four hundred twenty-seven".