2331211992 has 32 divisors (see below), whose sum is σ = 6134769600. Its totient is φ = 736172064.

The previous prime is 2331211979. The next prime is 2331212017. The reversal of 2331211992 is 2991121332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555698 + ... + 2556609.

It is an arithmetic number, because the mean of its divisors is an integer number (191711550).

Almost surely, 2^2331211992 is an apocalyptic number.

It is an amenable number.

2331211992 is an abundant number, since it is smaller than the sum of its proper divisors (3803557608).

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

2331211992 is a wasteful number, since it uses less digits than its factorization.

2331211992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112335 (or 5112331 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 2331211992 is about 48282.6261920372. The cubic root of 2331211992 is about 1325.9503313068.

The spelling of 2331211992 in words is "two billion, three hundred thirty-one million, two hundred eleven thousand, nine hundred ninety-two".