31001042313104 has 20 divisors (see below), whose sum is σ = 60074332531980. Its totient is φ = 15497988756480.

The previous prime is 31001042313089. The next prime is 31001042313181. The reversal of 31001042313104 is 40131324010013.

It can be written as a sum of positive squares in 2 ways, for example, as 11725008672400 + 19276033640704 = 3424180^2 + 4390448^2 .

It is a super-2 number, since 2×31001042313104² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31001042313104.

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, 158174009 + ... + 158369880.

It is an arithmetic number, because the mean of its divisors is an integer number (3003716626599).

Almost surely, 2^{31001042313104} is an apocalyptic number.

It is an amenable number.

31001042313104 is a deficient number, since it is larger than the sum of its proper divisors (29073290218876).

31001042313104 is a wasteful number, since it uses less digits than its factorization.

31001042313104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316550018 (or 316550012 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31001042313104 its reverse (40131324010013), we get a palindrome (71132366323117).

The spelling of 31001042313104 in words is "thirty-one trillion, one billion, forty-two million, three hundred thirteen thousand, one hundred four".