23131030031 has 8 divisors (see below), whose sum is σ = 23256820080. Its totient is φ = 23005467072.

The previous prime is 23131029997. The next prime is 23131030051. The reversal of 23131030031 is 13003013132.

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 23131030031 - 2¹⁰ = 23131029007 is a prime.

It is a super-2 number, since 2×23131030031² (a number of 22 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 = 23131029991 and 23131030009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131030051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149525 + ... + 261953.

It is an arithmetic number, because the mean of its divisors is an integer number (2907102510).

Almost surely, 2^23131030031 is an apocalyptic number.

23131030031 is a deficient number, since it is larger than the sum of its proper divisors (125790049).

23131030031 is a wasteful number, since it uses less digits than its factorization.

23131030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113545.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 23131030031 its reverse (13003013132), we get a palindrome (36134043163).

The spelling of 23131030031 in words is "twenty-three billion, one hundred thirty-one million, thirty thousand, thirty-one".