2311144902 has 24 divisors (see below), whose sum is σ = 5462706600. Its totient is φ = 700346880.

The previous prime is 2311144859. The next prime is 2311144919. The reversal of 2311144902 is 2094411132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5836027 + ... + 5836422.

It is an arithmetic number, because the mean of its divisors is an integer number (227612775).

Almost surely, 2^2311144902 is an apocalyptic number.

2311144902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2311144902 is an abundant number, since it is smaller than the sum of its proper divisors (3151561698).

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

2311144902 is a wasteful number, since it uses less digits than its factorization.

2311144902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672468 (or 11672465 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2311144902 is about 48074.3684513900. The cubic root of 2311144902 is about 1322.1347653939.

The spelling of 2311144902 in words is "two billion, three hundred eleven million, one hundred forty-four thousand, nine hundred two".