31045542031604 has 12 divisors (see below), whose sum is σ = 54335483915328. Its totient is φ = 15521118055800.

The previous prime is 31045542031591. The next prime is 31045542031631. The reversal of 31045542031604 is 40613024554013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413197742 + ... + 413272869.

It is an arithmetic number, because the mean of its divisors is an integer number (4527956992944).

Almost surely, 2^{31045542031604} is an apocalyptic number.

It is an amenable number.

31045542031604 is a deficient number, since it is larger than the sum of its proper divisors (23289941883724).

31045542031604 is a wasteful number, since it uses less digits than its factorization.

31045542031604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826480006 (or 826480004 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 31045542031604 its reverse (40613024554013), we get a palindrome (71658566585617).

The spelling of 31045542031604 in words is "thirty-one trillion, forty-five billion, five hundred forty-two million, thirty-one thousand, six hundred four".