3831397138075 has 48 divisors (see below), whose sum is σ = 5236868631456. Its totient is φ = 2762752204800.

The previous prime is 3831397138073. The next prime is 3831397138087. The reversal of 3831397138075 is 5708317931383.

3831397138075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3831397138075 - 2¹ = 3831397138073 is a prime.

It is a super-2 number, since 2×3831397138075² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3831397138073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51348795 + ... + 51423355.

It is an arithmetic number, because the mean of its divisors is an integer number (109101429822).

Almost surely, 2^{3831397138075} is an apocalyptic number.

3831397138075 is a deficient number, since it is larger than the sum of its proper divisors (1405471493381).

3831397138075 is a wasteful number, since it uses less digits than its factorization.

3831397138075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78304 (or 78299 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 3831397138075 in words is "three trillion, eight hundred thirty-one billion, three hundred ninety-seven million, one hundred thirty-eight thousand, seventy-five".