2331213012 has 36 divisors (see below), whose sum is σ = 5900128416. Its totient is φ = 776103120.

The previous prime is 2331212987. The next prime is 2331213029. The reversal of 2331213012 is 2103121332.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2331213012² = 10869108214636224288, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 10728 + ... + 69119.

It is an arithmetic number, because the mean of its divisors is an integer number (163892456).

Almost surely, 2^2331213012 is an apocalyptic number.

It is an amenable number.

2331213012 is an abundant number, since it is smaller than the sum of its proper divisors (3568915404).

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

2331213012 is a wasteful number, since it uses less digits than its factorization.

2331213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80668 (or 80663 counting only the distinct ones).

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

The square root of 2331213012 is about 48282.6367548418. The cubic root of 2331213012 is about 1325.9505246925.

Adding to 2331213012 its reverse (2103121332), we get a palindrome (4434334344).

The spelling of 2331213012 in words is "two billion, three hundred thirty-one million, two hundred thirteen thousand, twelve".