31125252113 has 8 divisors (see below), whose sum is σ = 32800095936. Its totient is φ = 29477206000.

The previous prime is 31125252083. The next prime is 31125252127.

31125252113 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 31125252113 - 2¹⁰ = 31125251089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31125255113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6697043 + ... + 6701688.

It is an arithmetic number, because the mean of its divisors is an integer number (4100011992).

Almost surely, 2^31125252113 is an apocalyptic number.

It is an amenable number.

31125252113 is a deficient number, since it is larger than the sum of its proper divisors (1674843823).

31125252113 is a wasteful number, since it uses less digits than its factorization.

31125252113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13398855.

The product of its digits is 1800, while the sum is 26.

The spelling of 31125252113 in words is "thirty-one billion, one hundred twenty-five million, two hundred fifty-two thousand, one hundred thirteen".