2113431200331 has 32 divisors (see below), whose sum is σ = 3080320379136. Its totient is φ = 1278269232000.

The previous prime is 2113431200269. The next prime is 2113431200369. The reversal of 2113431200331 is 1330021343112.

It is not a de Polignac number, because 2113431200331 - 2¹⁴ = 2113431183947 is a prime.

It is a super-2 number, since 2×2113431200331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113431200371) 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, 78316861 + ... + 78343841.

It is an arithmetic number, because the mean of its divisors is an integer number (96260011848).

Almost surely, 2^{2113431200331} is an apocalyptic number.

2113431200331 is a deficient number, since it is larger than the sum of its proper divisors (966889178805).

2113431200331 is a wasteful number, since it uses less digits than its factorization.

2113431200331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31723.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2113431200331 its reverse (1330021343112), we get a palindrome (3443452543443).

The spelling of 2113431200331 in words is "two trillion, one hundred thirteen billion, four hundred thirty-one million, two hundred thousand, three hundred thirty-one".