131037251 has 2 divisors, whose sum is σ = 131037252. Its totient is φ = 131037250.

The previous prime is 131037227. The next prime is 131037259. The reversal of 131037251 is 152730131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131037251 - 2¹⁸ = 130775107 is a prime.

It is a super-2 number, since 2×131037251² = 34341522299274002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131037259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65518625 + 65518626.

It is an arithmetic number, because the mean of its divisors is an integer number (65518626).

Almost surely, 2^131037251 is an apocalyptic number.

131037251 is a deficient number, since it is larger than the sum of its proper divisors (1).

131037251 is an equidigital number, since it uses as much as digits as its factorization.

131037251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 131037251 is about 11447.1503440813. The cubic root of 131037251 is about 507.9234428518.

Adding to 131037251 its reverse (152730131), we get a palindrome (283767382).

The spelling of 131037251 in words is "one hundred thirty-one million, thirty-seven thousand, two hundred fifty-one".