2331213132 has 48 divisors (see below), whose sum is σ = 5729440640. Its totient is φ = 735702912.

The previous prime is 2331213121. The next prime is 2331213163. The reversal of 2331213132 is 2313121332.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2331213099 and 2331213108.

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, 594723 + ... + 598629.

Almost surely, 2^2331213132 is an apocalyptic number.

It is an amenable number.

2331213132 is an abundant number, since it is smaller than the sum of its proper divisors (3398227508).

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

2331213132 is a wasteful number, since it uses less digits than its factorization.

2331213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550 (or 6548 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 2331213132 is about 48282.6379975245. The cubic root of 2331213132 is about 1325.9505474438.

Adding to 2331213132 its reverse (2313121332), we get a palindrome (4644334464).

The spelling of 2331213132 in words is "two billion, three hundred thirty-one million, two hundred thirteen thousand, one hundred thirty-two".