31245606659 has 2 divisors, whose sum is σ = 31245606660. Its totient is φ = 31245606658.

The previous prime is 31245606607. The next prime is 31245606683. The reversal of 31245606659 is 95660654213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31245606659 - 2³² = 26950639363 is a prime.

It is not a weakly prime, because it can be changed into another prime (31245603659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15622803329 + 15622803330.

It is an arithmetic number, because the mean of its divisors is an integer number (15622803330).

Almost surely, 2^31245606659 is an apocalyptic number.

31245606659 is a deficient number, since it is larger than the sum of its proper divisors (1).

31245606659 is an equidigital number, since it uses as much as digits as its factorization.

31245606659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 31245606659 in words is "thirty-one billion, two hundred forty-five million, six hundred six thousand, six hundred fifty-nine".