3138831696 has 160 divisors (see below), whose sum is σ = 10887303168. Its totient is φ = 752555520.

The previous prime is 3138831679. The next prime is 3138831727. The reversal of 3138831696 is 6961388313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15385 + ... + 80711.

Almost surely, 2^3138831696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3138831696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5443651584).

3138831696 is an abundant number, since it is smaller than the sum of its proper divisors (7748471472).

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

3138831696 is a wasteful number, since it uses less digits than its factorization.

3138831696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65369 (or 65363 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 3138831696 is about 56025.2772951638. The cubic root of 3138831696 is about 1464.1627144537.

The spelling of 3138831696 in words is "three billion, one hundred thirty-eight million, eight hundred thirty-one thousand, six hundred ninety-six".