2313212256 has 72 divisors (see below), whose sum is σ = 6821857224. Its totient is φ = 771068160.

The previous prime is 2313212249. The next prime is 2313212263. The reversal of 2313212256 is 6522123132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2313212249) and next prime (2313212263).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 140965 + ... + 156516.

It is an arithmetic number, because the mean of its divisors is an integer number (94748017).

Almost surely, 2^2313212256 is an apocalyptic number.

It is an amenable number.

2313212256 is an abundant number, since it is smaller than the sum of its proper divisors (4508644968).

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

2313212256 is an equidigital number, since it uses as much as digits as its factorization.

2313212256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297506 (or 297486 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2313212256 is about 48095.8652692724. The cubic root of 2313212256 is about 1322.5288710742.

Adding to 2313212256 its reverse (6522123132), we get a palindrome (8835335388).

The spelling of 2313212256 in words is "two billion, three hundred thirteen million, two hundred twelve thousand, two hundred fifty-six".