3138103131 has 4 divisors (see below), whose sum is σ = 4184137512. Its totient is φ = 2092068752.

The previous prime is 3138103127. The next prime is 3138103147. The reversal of 3138103131 is 1313018313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3138103131 - 2² = 3138103127 is a prime.

It is a super-2 number, since 2×3138103131² = 19695382521584006322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3138103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523017186 + ... + 523017191.

It is an arithmetic number, because the mean of its divisors is an integer number (1046034378).

Almost surely, 2^3138103131 is an apocalyptic number.

3138103131 is a deficient number, since it is larger than the sum of its proper divisors (1046034381).

3138103131 is a wasteful number, since it uses less digits than its factorization.

3138103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046034380.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 3138103131 is about 56018.7748080945. The cubic root of 3138103131 is about 1464.0494217430.

The spelling of 3138103131 in words is "three billion, one hundred thirty-eight million, one hundred three thousand, one hundred thirty-one".