23201230031 has 4 divisors (see below), whose sum is σ = 26515691472. Its totient is φ = 19886768592.

The previous prime is 23201230009. The next prime is 23201230057. The reversal of 23201230031 is 13003210232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23201230031 - 2²² = 23197035727 is a prime.

It is a super-2 number, since 2×23201230031² (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 = 23201229991 and 23201230009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201230001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657230710 + ... + 1657230723.

It is an arithmetic number, because the mean of its divisors is an integer number (6628922868).

Almost surely, 2^23201230031 is an apocalyptic number.

23201230031 is a deficient number, since it is larger than the sum of its proper divisors (3314461441).

23201230031 is an equidigital number, since it uses as much as digits as its factorization.

23201230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314461440.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23201230031 its reverse (13003210232), we get a palindrome (36204440263).

The spelling of 23201230031 in words is "twenty-three billion, two hundred one million, two hundred thirty thousand, thirty-one".