3138197112 has 24 divisors (see below), whose sum is σ = 8499284040. Its totient is φ = 1046065680.

The previous prime is 3138197107. The next prime is 3138197137. The reversal of 3138197112 is 2117918313.

3138197112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×3138197112² = 19696562227530281088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21792964 + ... + 21793107.

It is an arithmetic number, because the mean of its divisors is an integer number (354136835).

Almost surely, 2^3138197112 is an apocalyptic number.

It is an amenable number.

3138197112 is an abundant number, since it is smaller than the sum of its proper divisors (5361086928).

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

3138197112 is a wasteful number, since it uses less digits than its factorization.

3138197112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43586083 (or 43586076 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 3138197112 is about 56019.6136366541. The cubic root of 3138197112 is about 1464.0640368836.

The spelling of 3138197112 in words is "three billion, one hundred thirty-eight million, one hundred ninety-seven thousand, one hundred twelve".