2311331408 has 20 divisors (see below), whose sum is σ = 4573487040. Its totient is φ = 1131076704.

The previous prime is 2311331401. The next prime is 2311331443. The reversal of 2311331408 is 8041331132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311331401) 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, 1536038 + ... + 1537541.

It is an arithmetic number, because the mean of its divisors is an integer number (228674352).

Almost surely, 2^2311331408 is an apocalyptic number.

It is an amenable number.

2311331408 is a deficient number, since it is larger than the sum of its proper divisors (2262155632).

2311331408 is a wasteful number, since it uses less digits than its factorization.

2311331408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073634 (or 3073628 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2311331408 is about 48076.3081777293. The cubic root of 2311331408 is about 1322.1703292154.

The spelling of 2311331408 in words is "two billion, three hundred eleven million, three hundred thirty-one thousand, four hundred eight".