3101121992 has 16 divisors (see below), whose sum is σ = 5844122460. Its totient is φ = 1542689344.

The previous prime is 3101121973. The next prime is 3101122007. The reversal of 3101121992 is 2991211013.

It can be written as a sum of positive squares in 2 ways, for example, as 2427927076 + 673194916 = 49274^2 + 25946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982283 + ... + 985434.

Almost surely, 2^3101121992 is an apocalyptic number.

It is an amenable number.

3101121992 is a deficient number, since it is larger than the sum of its proper divisors (2743000468).

3101121992 is a wasteful number, since it uses less digits than its factorization.

3101121992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967920 (or 1967916 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 3101121992 is about 55687.7185023772. The cubic root of 3101121992 is about 1458.2756260318.

The spelling of 3101121992 in words is "three billion, one hundred one million, one hundred twenty-one thousand, nine hundred ninety-two".