31045225504 has 12 divisors (see below), whose sum is σ = 61120287774. Its totient is φ = 15522612736.

The previous prime is 31045225481. The next prime is 31045225567. The reversal of 31045225504 is 40552254013.

It can be written as a sum of positive squares in only one way, i.e., 23979141904 + 7066083600 = 154852^2 + 84060^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485081617 + ... + 485081680.

Almost surely, 2^31045225504 is an apocalyptic number.

It is an amenable number.

31045225504 is a deficient number, since it is larger than the sum of its proper divisors (30075062270).

31045225504 is an equidigital number, since it uses as much as digits as its factorization.

31045225504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970163307 (or 970163299 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 31045225504 its reverse (40552254013), we get a palindrome (71597479517).

The spelling of 31045225504 in words is "thirty-one billion, forty-five million, two hundred twenty-five thousand, five hundred four".