2320311132 has 72 divisors (see below), whose sum is σ = 6084142064. Its totient is φ = 745065216.

The previous prime is 2320311131. The next prime is 2320311137. The reversal of 2320311132 is 2311130232.

2320311132 is a `hidden beast` number, since 2 + 320 + 311 + 1 + 32 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320311131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102738 + ... + 123270.

Almost surely, 2^2320311132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2320311132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3042071032).

2320311132 is an abundant number, since it is smaller than the sum of its proper divisors (3763830932).

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

2320311132 is a wasteful number, since it uses less digits than its factorization.

2320311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20659 (or 20654 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2320311132 is about 48169.6079701714. The cubic root of 2320311132 is about 1323.8803655712.

Adding to 2320311132 its reverse (2311130232), we get a palindrome (4631441364).

Subtracting from 2320311132 its reverse (2311130232), we obtain a square (9180900 = 3030²).

The spelling of 2320311132 in words is "two billion, three hundred twenty million, three hundred eleven thousand, one hundred thirty-two".