2312911632 has 20 divisors (see below), whose sum is σ = 5975021840. Its totient is φ = 770970528.

The previous prime is 2312911621. The next prime is 2312911637. The reversal of 2312911632 is 2361192132.

It is a self number, because there is not a number n which added to its sum of digits gives 2312911632.

It is not an unprimeable number, because it can be changed into a prime (2312911637) 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, 24092782 + ... + 24092877.

It is an arithmetic number, because the mean of its divisors is an integer number (298751092).

Almost surely, 2^2312911632 is an apocalyptic number.

It is an amenable number.

2312911632 is an abundant number, since it is smaller than the sum of its proper divisors (3662110208).

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

2312911632 is a wasteful number, since it uses less digits than its factorization.

2312911632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48185670 (or 48185664 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 2312911632 is about 48092.7399094707. The cubic root of 2312911632 is about 1322.4715768444.

The spelling of 2312911632 in words is "two billion, three hundred twelve million, nine hundred eleven thousand, six hundred thirty-two".