31121133130994 has 8 divisors (see below), whose sum is σ = 46682398630620. Its totient is φ = 15560333587456.

The previous prime is 31121133130987. The next prime is 31121133131009. The reversal of 31121133130994 is 49903133112113.

It can be written as a sum of positive squares in 2 ways, for example, as 30191233569025 + 929899561969 = 5494655^2 + 964313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 116321999 + ... + 116589234.

Almost surely, 2^{31121133130994} is an apocalyptic number.

31121133130994 is a deficient number, since it is larger than the sum of its proper divisors (15561265499626).

31121133130994 is a wasteful number, since it uses less digits than its factorization.

31121133130994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232978044.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 31121133130994 in words is "thirty-one trillion, one hundred twenty-one billion, one hundred thirty-three million, one hundred thirty thousand, nine hundred ninety-four".