2311431292 has 48 divisors (see below), whose sum is σ = 4208000832. Its totient is φ = 1110067200.

The previous prime is 2311431289. The next prime is 2311431313. The reversal of 2311431292 is 2921341132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2311431292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6547788 + ... + 6548140.

It is an arithmetic number, because the mean of its divisors is an integer number (87666684).

Almost surely, 2^2311431292 is an apocalyptic number.

It is an amenable number.

2311431292 is a deficient number, since it is larger than the sum of its proper divisors (1896569540).

2311431292 is a wasteful number, since it uses less digits than its factorization.

2311431292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 836 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 2311431292 is about 48077.3469733928. The cubic root of 2311431292 is about 1322.1893747690.

The spelling of 2311431292 in words is "two billion, three hundred eleven million, four hundred thirty-one thousand, two hundred ninety-two".