23011013031 has 16 divisors (see below), whose sum is σ = 32299392000. Its totient is φ = 14531816448.

The previous prime is 23011013029. The next prime is 23011013057. The reversal of 23011013031 is 13031011032.

It is not a de Polignac number, because 23011013031 - 2¹ = 23011013029 is a prime.

It is a super-2 number, since 2×23011013031² (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 23011013031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011015031) 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 15 ways as a sum of consecutive naturals, for example, 1017610 + ... + 1039976.

It is an arithmetic number, because the mean of its divisors is an integer number (2018712000).

Almost surely, 2^23011013031 is an apocalyptic number.

23011013031 is a deficient number, since it is larger than the sum of its proper divisors (9288378969).

23011013031 is a wasteful number, since it uses less digits than its factorization.

23011013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40438.

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

Adding to 23011013031 its reverse (13031011032), we get a palindrome (36042024063).

The spelling of 23011013031 in words is "twenty-three billion, eleven million, thirteen thousand, thirty-one".