23431231031 has 8 divisors (see below), whose sum is σ = 25661322960. Its totient is φ = 21262237632.

The previous prime is 23431231013. The next prime is 23431231039. The reversal of 23431231031 is 13013213432.

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 23431231031 - 2¹⁰ = 23431230007 is a prime.

It is a super-2 number, since 2×23431231031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23431230988 and 23431231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431231039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15273830 + ... + 15275363.

It is an arithmetic number, because the mean of its divisors is an integer number (3207665370).

Almost surely, 2^23431231031 is an apocalyptic number.

23431231031 is a deficient number, since it is larger than the sum of its proper divisors (2230091929).

23431231031 is a wasteful number, since it uses less digits than its factorization.

23431231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30549265.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23431231031 its reverse (13013213432), we get a palindrome (36444444463).

The spelling of 23431231031 in words is "twenty-three billion, four hundred thirty-one million, two hundred thirty-one thousand, thirty-one".