131250331 has 2 divisors, whose sum is σ = 131250332. Its totient is φ = 131250330.

The previous prime is 131250299. The next prime is 131250337. The reversal of 131250331 is 133052131.

It is a strong prime.

It is an emirp because it is prime and its reverse (133052131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131250331 - 2⁵ = 131250299 is a prime.

It is a super-2 number, since 2×131250331² = 34453298775219122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131250299 and 131250308.

It is not a weakly prime, because it can be changed into another prime (131250337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65625165 + 65625166.

It is an arithmetic number, because the mean of its divisors is an integer number (65625166).

Almost surely, 2^131250331 is an apocalyptic number.

131250331 is a deficient number, since it is larger than the sum of its proper divisors (1).

131250331 is an equidigital number, since it uses as much as digits as its factorization.

131250331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 131250331 is about 11456.4536834048. The cubic root of 131250331 is about 508.1986056162.

The spelling of 131250331 in words is "one hundred thirty-one million, two hundred fifty thousand, three hundred thirty-one".