2331211312 has 10 divisors (see below), whose sum is σ = 4516721948. Its totient is φ = 1165605648.

The previous prime is 2331211303. The next prime is 2331211321. The reversal of 2331211312 is 2131121332.

2331211312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2331211303) and next prime (2331211321).

It is a super-2 number, since 2×2331211312² = 10869092362393522688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2331211312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72850338 + ... + 72850369.

Almost surely, 2^2331211312 is an apocalyptic number.

It is an amenable number.

2331211312 is a deficient number, since it is larger than the sum of its proper divisors (2185510636).

2331211312 is a wasteful number, since it uses less digits than its factorization.

2331211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145700715 (or 145700709 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 2331211312 is about 48282.6191501662. The cubic root of 2331211312 is about 1325.9502023830.

Adding to 2331211312 its reverse (2131121332), we get a palindrome (4462332644).

The spelling of 2331211312 in words is "two billion, three hundred thirty-one million, two hundred eleven thousand, three hundred twelve".