2312013144 has 64 divisors (see below), whose sum is σ = 6613021440. Its totient is φ = 659848320.

The previous prime is 2312013113. The next prime is 2312013163. The reversal of 2312013144 is 4413102132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2312013144.

It is a congruent number.

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, 156042 + ... + 170214.

It is an arithmetic number, because the mean of its divisors is an integer number (103328460).

Almost surely, 2^2312013144 is an apocalyptic number.

2312013144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2312013144 is an abundant number, since it is smaller than the sum of its proper divisors (4301008296).

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

2312013144 is a wasteful number, since it uses less digits than its factorization.

2312013144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15160 (or 15156 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2312013144 is about 48083.3978000723. The cubic root of 2312013144 is about 1322.3003094946.

Adding to 2312013144 its reverse (4413102132), we get a palindrome (6725115276).

The spelling of 2312013144 in words is "two billion, three hundred twelve million, thirteen thousand, one hundred forty-four".