31790133699076 has 9 divisors (see below), whose sum is σ = 55632753707349. Its totient is φ = 15895061211264.

The previous prime is 31790133699073. The next prime is 31790133699119. The reversal of 31790133699076 is 67099633109713.

The square root of 31790133699076 is 5638274.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 30588531876100 + 1201601822976 = 5530690^2 + 1096176^2 .

It is a super-2 number, since 2×31790133699076² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31790133698999 and 31790133699017.

It is not an unprimeable number, because it can be changed into a prime (31790133699073) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9866980 + ... + 12686116.

Almost surely, 2^{31790133699076} is an apocalyptic number.

31790133699076 is the 5638274-th square number.

It is an amenable number.

31790133699076 is a deficient number, since it is larger than the sum of its proper divisors (23842620008273).

31790133699076 is an frugal number, since it uses more digits than its factorization.

31790133699076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638278 (or 2819139 counting only the distinct ones).

The product of its (nonzero) digits is 34720812, while the sum is 64.

The spelling of 31790133699076 in words is "thirty-one trillion, seven hundred ninety billion, one hundred thirty-three million, six hundred ninety-nine thousand, seventy-six".