2311253121 has 16 divisors (see below), whose sum is σ = 3104884736. Its totient is φ = 1529255376.

The previous prime is 2311253101. The next prime is 2311253149. The reversal of 2311253121 is 1213521132.

It is not a de Polignac number, because 2311253121 - 2⁵ = 2311253089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311253101) 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 15 ways as a sum of consecutive naturals, for example, 399576 + ... + 405318.

It is an arithmetic number, because the mean of its divisors is an integer number (194055296).

Almost surely, 2^2311253121 is an apocalyptic number.

It is an amenable number.

2311253121 is a deficient number, since it is larger than the sum of its proper divisors (793631615).

2311253121 is a wasteful number, since it uses less digits than its factorization.

2311253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732.

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

The square root of 2311253121 is about 48075.4939756213. The cubic root of 2311253121 is about 1322.1554013233.

Adding to 2311253121 its reverse (1213521132), we get a palindrome (3524774253).

The spelling of 2311253121 in words is "two billion, three hundred eleven million, two hundred fifty-three thousand, one hundred twenty-one".