131583031 has 2 divisors, whose sum is σ = 131583032. Its totient is φ = 131583030.

The previous prime is 131583013. The next prime is 131583091. The reversal of 131583031 is 130385131.

Together with previous prime (131583013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131583031 - 2⁹ = 131582519 is a prime.

It is a super-2 number, since 2×131583031² = 34628188094293922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131582987 and 131583005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131583091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65791515 + 65791516.

It is an arithmetic number, because the mean of its divisors is an integer number (65791516).

Almost surely, 2^131583031 is an apocalyptic number.

131583031 is a deficient number, since it is larger than the sum of its proper divisors (1).

131583031 is an equidigital number, since it uses as much as digits as its factorization.

131583031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 131583031 is about 11470.9646935208. The cubic root of 131583031 is about 508.6276458414.

The spelling of 131583031 in words is "one hundred thirty-one million, five hundred eighty-three thousand, thirty-one".