3126131 has 2 divisors, whose sum is σ = 3126132. Its totient is φ = 3126130.

The previous prime is 3126121. The next prime is 3126139. The reversal of 3126131 is 1316213.

It is a strong prime.

It is an emirp because it is prime and its reverse (1316213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3126131 - 2¹⁴ = 3109747 is a prime.

It is a super-2 number, since 2×3126131² = 19545390058322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3126139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563065 + 1563066.

It is an arithmetic number, because the mean of its divisors is an integer number (1563066).

Almost surely, 2^3126131 is an apocalyptic number.

3126131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3126131 is an equidigital number, since it uses as much as digits as its factorization.

3126131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 17.

The square root of 3126131 is about 1768.0868191353. The cubic root of 3126131 is about 146.2185224583.

It can be divided in two parts, 31 and 26131, that added together give a palindrome (26162).

The spelling of 3126131 in words is "three million, one hundred twenty-six thousand, one hundred thirty-one".