23031313152311 has 4 divisors (see below), whose sum is σ = 23207124703224. Its totient is φ = 22855501601400.

The previous prime is 23031313152299. The next prime is 23031313152343. The reversal of 23031313152311 is 11325131313032.

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 23031313152311 - 2³⁸ = 22756435245367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031313152511) 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, 87905775260 + ... + 87905775521.

It is an arithmetic number, because the mean of its divisors is an integer number (5801781175806).

Almost surely, 2^{23031313152311} is an apocalyptic number.

23031313152311 is a deficient number, since it is larger than the sum of its proper divisors (175811550913).

23031313152311 is a wasteful number, since it uses less digits than its factorization.

23031313152311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175811550912.

The product of its (nonzero) digits is 4860, while the sum is 29.

Adding to 23031313152311 its reverse (11325131313032), we get a palindrome (34356444465343).

The spelling of 23031313152311 in words is "twenty-three trillion, thirty-one billion, three hundred thirteen million, one hundred fifty-two thousand, three hundred eleven".