31240232203204 has 12 divisors (see below), whose sum is σ = 54670485122428. Its totient is φ = 15620093596800.

The previous prime is 31240232203171. The next prime is 31240232203261. The reversal of 31240232203204 is 40230223204213.

It can be written as a sum of positive squares in 2 ways, for example, as 6885533440900 + 24354698762304 = 2624030^2 + 4935048^2 .

It is a super-2 number, since 2×31240232203204² (a number of 28 digits) contains 22 as substring.

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, 2281977 + ... + 8227264.

Almost surely, 2^{31240232203204} is an apocalyptic number.

It is an amenable number.

31240232203204 is a deficient number, since it is larger than the sum of its proper divisors (23430252919224).

31240232203204 is a wasteful number, since it uses less digits than its factorization.

31240232203204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252406 (or 11252404 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31240232203204 its reverse (40230223204213), we get a palindrome (71470455407417).

The spelling of 31240232203204 in words is "thirty-one trillion, two hundred forty billion, two hundred thirty-two million, two hundred three thousand, two hundred four".