2311253252 has 96 divisors (see below), whose sum is σ = 5491584000. Its totient is φ = 823616640.

The previous prime is 2311253251. The next prime is 2311253291. The reversal of 2311253252 is 2523521132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2311253251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162899 + ... + 176517.

It is an arithmetic number, because the mean of its divisors is an integer number (57204000).

Almost surely, 2^2311253252 is an apocalyptic number.

2311253252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311253252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2745792000).

2311253252 is an abundant number, since it is smaller than the sum of its proper divisors (3180330748).

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

2311253252 is a wasteful number, since it uses less digits than its factorization.

2311253252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689 (or 13687 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 2311253252 is about 48075.4953380618. The cubic root of 2311253252 is about 1322.1554263029.

Adding to 2311253252 its reverse (2523521132), we get a palindrome (4834774384).

The spelling of 2311253252 in words is "two billion, three hundred eleven million, two hundred fifty-three thousand, two hundred fifty-two".