6131 has 2 divisors, whose sum is σ = 6132. Its totient is φ = 6130.

The previous prime is 6121. The next prime is 6133. The reversal of 6131 is 1316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6131 - 2⁶ = 6067 is a prime.

It is a super-2 number, since 2×6131² = 75178322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 6133, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12 and base 14.

It is not a weakly prime, because it can be changed into another prime (6133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065 + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (3066).

2⁶¹³¹ is an apocalyptic number.

6131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6131 is an equidigital number, since it uses as much as digits as its factorization.

6131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18, while the sum is 11.

The square root of 6131 is about 78.3007024234. The cubic root of 6131 is about 18.3025009770.

Adding to 6131 its reverse (1316), we get a palindrome (7447).

It can be divided in two parts, 61 and 31, that multiplied together give a triangular number (1891 = T₆₁).

The spelling of 6131 in words is "six thousand, one hundred thirty-one".