31004140020004 has 6 divisors (see below), whose sum is σ = 54257245035014. Its totient is φ = 15502070010000.

The previous prime is 31004140019971. The next prime is 31004140020011. The reversal of 31004140020004 is 40002004140013.

It can be written as a sum of positive squares in only one way, i.e., 23003150745600 + 8000989274404 = 4796160^2 + 2828602^2 .

It is a super-2 number, since 2×31004140020004² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3875517502497 + ... + 3875517502504.

Almost surely, 2^{31004140020004} is an apocalyptic number.

It is an amenable number.

31004140020004 is a deficient number, since it is larger than the sum of its proper divisors (23253105015010).

31004140020004 is a wasteful number, since it uses less digits than its factorization.

31004140020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751035005005 (or 7751035005003 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 31004140020004 its reverse (40002004140013), we get a palindrome (71006144160017).

The spelling of 31004140020004 in words is "thirty-one trillion, four billion, one hundred forty million, twenty thousand, four".