2311251312 has 20 divisors (see below), whose sum is σ = 5970732680. Its totient is φ = 770417088.

The previous prime is 2311251307. The next prime is 2311251317. The reversal of 2311251312 is 2131521132.

It is an interprime number because it is at equal distance from previous prime (2311251307) and next prime (2311251317).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311251317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24075487 + ... + 24075582.

It is an arithmetic number, because the mean of its divisors is an integer number (298536634).

Almost surely, 2^2311251312 is an apocalyptic number.

It is an amenable number.

2311251312 is an abundant number, since it is smaller than the sum of its proper divisors (3659481368).

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

2311251312 is a wasteful number, since it uses less digits than its factorization.

2311251312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48151080 (or 48151074 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 2311251312 is about 48075.4751614584. The cubic root of 2311251312 is about 1322.1550563763.

Adding to 2311251312 its reverse (2131521132), we get a palindrome (4442772444).

The spelling of 2311251312 in words is "two billion, three hundred eleven million, two hundred fifty-one thousand, three hundred twelve".