31043625041 has 96 divisors (see below), whose sum is σ = 39654489600. Its totient is φ = 24040074240.

The previous prime is 31043625037. The next prime is 31043625043. The reversal of 31043625041 is 14052634013.

It is not a de Polignac number, because 31043625041 - 2² = 31043625037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 31043624995 and 31043625013.

It is not an unprimeable number, because it can be changed into a prime (31043625043) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 157581755 + ... + 157581951.

It is an arithmetic number, because the mean of its divisors is an integer number (413067600).

Almost surely, 2^31043625041 is an apocalyptic number.

It is an amenable number.

31043625041 is a deficient number, since it is larger than the sum of its proper divisors (8610864559).

31043625041 is a wasteful number, since it uses less digits than its factorization.

31043625041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 31043625041 in words is "thirty-one billion, forty-three million, six hundred twenty-five thousand, forty-one".