115431607 has 2 divisors, whose sum is σ = 115431608. Its totient is φ = 115431606.

The previous prime is 115431557. The next prime is 115431623. The reversal of 115431607 is 706134511.

It is a strong prime.

It is an emirp because it is prime and its reverse (706134511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115431607 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 (115431007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57715803 + 57715804.

It is an arithmetic number, because the mean of its divisors is an integer number (57715804).

Almost surely, 2^115431607 is an apocalyptic number.

115431607 is a deficient number, since it is larger than the sum of its proper divisors (1).

115431607 is an equidigital number, since it uses as much as digits as its factorization.

115431607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 115431607 is about 10743.9102285900. The cubic root of 115431607 is about 486.9020248242.

It can be divided in two parts, 1154 and 31607, that added together give a square (32761 = 181²).

The spelling of 115431607 in words is "one hundred fifteen million, four hundred thirty-one thousand, six hundred seven".