131250337 has 2 divisors, whose sum is σ = 131250338. Its totient is φ = 131250336.

The previous prime is 131250331. The next prime is 131250349. The reversal of 131250337 is 733052131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75359761 + 55890576 = 8681^2 + 7476^2 .

It is a cyclic number.

It is not a de Polignac number, because 131250337 - 2²³ = 122861729 is a prime.

It is a super-2 number, since 2×131250337² = 34453301925227138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131250331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65625168 + 65625169.

It is an arithmetic number, because the mean of its divisors is an integer number (65625169).

Almost surely, 2^131250337 is an apocalyptic number.

It is an amenable number.

131250337 is a deficient number, since it is larger than the sum of its proper divisors (1).

131250337 is an equidigital number, since it uses as much as digits as its factorization.

131250337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 131250337 is about 11456.4539452660. The cubic root of 131250337 is about 508.1986133602.

The spelling of 131250337 in words is "one hundred thirty-one million, two hundred fifty thousand, three hundred thirty-seven".