131512607 has 2 divisors, whose sum is σ = 131512608. Its totient is φ = 131512606.

The previous prime is 131512567. The next prime is 131512631. The reversal of 131512607 is 706215131.

It is a strong prime.

It is an emirp because it is prime and its reverse (706215131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131512607 - 2¹² = 131508511 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131512657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65756303 + 65756304.

It is an arithmetic number, because the mean of its divisors is an integer number (65756304).

Almost surely, 2^131512607 is an apocalyptic number.

131512607 is a deficient number, since it is larger than the sum of its proper divisors (1).

131512607 is an equidigital number, since it uses as much as digits as its factorization.

131512607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 131512607 is about 11467.8946193275. The cubic root of 131512607 is about 508.5368894948.

Adding to 131512607 its reverse (706215131), we get a palindrome (837727738).

The spelling of 131512607 in words is "one hundred thirty-one million, five hundred twelve thousand, six hundred seven".