23131001031 has 8 divisors (see below), whose sum is σ = 32182262400. Its totient is φ = 14750203512.

The previous prime is 23131001029. The next prime is 23131001059. The reversal of 23131001031 is 13010013132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23131001031 - 2¹ = 23131001029 is a prime.

It is a super-2 number, since 2×23131001031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23131001031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131001021) 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, 167615881 + ... + 167616018.

It is an arithmetic number, because the mean of its divisors is an integer number (4022782800).

Almost surely, 2^23131001031 is an apocalyptic number.

23131001031 is a deficient number, since it is larger than the sum of its proper divisors (9051261369).

23131001031 is a wasteful number, since it uses less digits than its factorization.

23131001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335231925.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 23131001031 its reverse (13010013132), we get a palindrome (36141014163).

The spelling of 23131001031 in words is "twenty-three billion, one hundred thirty-one million, one thousand, thirty-one".