23001213100031 has 4 divisors (see below), whose sum is σ = 23001238172064. Its totient is φ = 23001188028000.

The previous prime is 23001213100009. The next prime is 23001213100039. The reversal of 23001213100031 is 13000131210032.

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 23001213100031 - 2³⁸ = 22726335193087 is a prime.

It is a super-2 number, since 2×23001213100031² (a number of 28 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 = 23001213099982 and 23001213100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001213100039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11105495 + ... + 13012856.

It is an arithmetic number, because the mean of its divisors is an integer number (5750309543016).

Almost surely, 2^{23001213100031} is an apocalyptic number.

23001213100031 is a deficient number, since it is larger than the sum of its proper divisors (25072033).

23001213100031 is an equidigital number, since it uses as much as digits as its factorization.

23001213100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25072032.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23001213100031 its reverse (13000131210032), we get a palindrome (36001344310063).

The spelling of 23001213100031 in words is "twenty-three trillion, one billion, two hundred thirteen million, one hundred thousand, thirty-one".