3138144231 has 16 divisors (see below), whose sum is σ = 4217414400. Its totient is φ = 2075546880.

The previous prime is 3138144211. The next prime is 3138144281. The reversal of 3138144231 is 1324418313.

It is a happy number.

It is not a de Polignac number, because 3138144231 - 2⁵ = 3138144199 is a prime.

It is a super-2 number, since 2×3138144231² = 19695898429117162722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138144211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203296 + ... + 218186.

It is an arithmetic number, because the mean of its divisors is an integer number (263588400).

Almost surely, 2^3138144231 is an apocalyptic number.

3138144231 is a deficient number, since it is larger than the sum of its proper divisors (1079270169).

3138144231 is a wasteful number, since it uses less digits than its factorization.

3138144231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15446.

The product of its digits is 6912, while the sum is 30.

The square root of 3138144231 is about 56019.1416481902. The cubic root of 3138144231 is about 1464.0558133078.

The spelling of 3138144231 in words is "three billion, one hundred thirty-eight million, one hundred forty-four thousand, two hundred thirty-one".