23130313231 has 8 divisors (see below), whose sum is σ = 23261540400. Its totient is φ = 22999343808.

The previous prime is 23130313187. The next prime is 23130313249. The reversal of 23130313231 is 13231303132.

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 23130313231 - 2¹³ = 23130305039 is a prime.

It is a super-2 number, since 2×23130313231² (a number of 22 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 (23130313291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116995 + ... + 244843.

It is an arithmetic number, because the mean of its divisors is an integer number (2907692550).

Almost surely, 2^23130313231 is an apocalyptic number.

23130313231 is a deficient number, since it is larger than the sum of its proper divisors (131227169).

23130313231 is a wasteful number, since it uses less digits than its factorization.

23130313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128873.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23130313231 its reverse (13231303132), we get a palindrome (36361616363).

The spelling of 23130313231 in words is "twenty-three billion, one hundred thirty million, three hundred thirteen thousand, two hundred thirty-one".