431113117 has 2 divisors, whose sum is σ = 431113118. Its totient is φ = 431113116.

The previous prime is 431113103. The next prime is 431113153. The reversal of 431113117 is 711311134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428738436 + 2374681 = 20706^2 + 1541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431113117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431113157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215556558 + 215556559.

It is an arithmetic number, because the mean of its divisors is an integer number (215556559).

Almost surely, 2^431113117 is an apocalyptic number.

It is an amenable number.

431113117 is a deficient number, since it is larger than the sum of its proper divisors (1).

431113117 is an equidigital number, since it uses as much as digits as its factorization.

431113117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 22.

The square root of 431113117 is about 20763.2636403818. The cubic root of 431113117 is about 755.4349595210.

The spelling of 431113117 in words is "four hundred thirty-one million, one hundred thirteen thousand, one hundred seventeen".