31199299113 has 32 divisors (see below), whose sum is σ = 44995792896. Its totient is φ = 19155888128.

The previous prime is 31199299111. The next prime is 31199299121.

31199299113 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31199299113 - 2¹ = 31199299111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31199299111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1020181 + ... + 1050317.

It is an arithmetic number, because the mean of its divisors is an integer number (1406118528).

Almost surely, 2^31199299113 is an apocalyptic number.

It is an amenable number.

31199299113 is a deficient number, since it is larger than the sum of its proper divisors (13796493783).

31199299113 is a wasteful number, since it uses less digits than its factorization.

31199299113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30593.

The product of its digits is 118098, while the sum is 48.

The spelling of 31199299113 in words is "thirty-one billion, one hundred ninety-nine million, two hundred ninety-nine thousand, one hundred thirteen".