23311131102 has 80 divisors (see below), whose sum is σ = 63207825120. Its totient is φ = 6268534272.

The previous prime is 23311131079. The next prime is 23311131169. The reversal of 23311131102 is 20113111332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 585327 + ... + 623882.

It is an arithmetic number, because the mean of its divisors is an integer number (790097814).

Almost surely, 2^23311131102 is an apocalyptic number.

23311131102 is an abundant number, since it is smaller than the sum of its proper divisors (39896694018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311131102 is a wasteful number, since it uses less digits than its factorization.

23311131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209247 (or 1209238 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 23311131102 its reverse (20113111332), we get a palindrome (43424242434).

The spelling of 23311131102 in words is "twenty-three billion, three hundred eleven million, one hundred thirty-one thousand, one hundred two".