23111131010 has 32 divisors (see below), whose sum is σ = 45388562112. Its totient is φ = 8402806080.

The previous prime is 23111131007. The next prime is 23111131033. The reversal of 23111131010 is 1013111132.

It is a happy number.

It is a super-2 number, since 2×23111131010² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086497 + ... + 1107563.

It is an arithmetic number, because the mean of its divisors is an integer number (1418392566).

Almost surely, 2^23111131010 is an apocalyptic number.

23111131010 is a deficient number, since it is larger than the sum of its proper divisors (22277431102).

23111131010 is a wasteful number, since it uses less digits than its factorization.

23111131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31058.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 23111131010 its reverse (1013111132), we get a palindrome (24124242142).

The spelling of 23111131010 in words is "twenty-three billion, one hundred eleven million, one hundred thirty-one thousand, ten".