23311010131031 has 4 divisors (see below), whose sum is σ = 26641154435472. Its totient is φ = 19980865826592.

The previous prime is 23311010131021. The next prime is 23311010131067. The reversal of 23311010131031 is 13013101011332.

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-23311010131031 is a prime.

It is a super-2 number, since 2×23311010131031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23311010130994 and 23311010131012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311010131021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665072152210 + ... + 1665072152223.

It is an arithmetic number, because the mean of its divisors is an integer number (6660288608868).

Almost surely, 2^{23311010131031} is an apocalyptic number.

23311010131031 is a deficient number, since it is larger than the sum of its proper divisors (3330144304441).

23311010131031 is an equidigital number, since it uses as much as digits as its factorization.

23311010131031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330144304440.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 23311010131031 its reverse (13013101011332), we get a palindrome (36324111142363).

The spelling of 23311010131031 in words is "twenty-three trillion, three hundred eleven billion, ten million, one hundred thirty-one thousand, thirty-one".