2311300131031 has 4 divisors (see below), whose sum is σ = 2311319853000. Its totient is φ = 2311280409064.

The previous prime is 2311300131017. The next prime is 2311300131037. The reversal of 2311300131031 is 1301310031132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311300131031 is a prime.

It is a super-2 number, since 2×2311300131031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311300131037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9684136 + ... + 9919933.

It is an arithmetic number, because the mean of its divisors is an integer number (577829963250).

Almost surely, 2^{2311300131031} is an apocalyptic number.

2311300131031 is a deficient number, since it is larger than the sum of its proper divisors (19721969).

2311300131031 is a wasteful number, since it uses less digits than its factorization.

2311300131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19721968.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 2311300131031 its reverse (1301310031132), we get a palindrome (3612610162163).

The spelling of 2311300131031 in words is "two trillion, three hundred eleven billion, three hundred million, one hundred thirty-one thousand, thirty-one".