431163116515129 has 2 divisors, whose sum is σ = 431163116515130. Its totient is φ = 431163116515128.

The previous prime is 431163116515069. The next prime is 431163116515141. The reversal of 431163116515129 is 921515611361134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310787000239104 + 120376116276025 = 17629152^2 + 10971605^2 .

It is a cyclic number.

It is not a de Polignac number, because 431163116515129 - 2⁴⁷ = 290425628159801 is a prime.

It is not a weakly prime, because it can be changed into another prime (431163116515189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215581558257564 + 215581558257565.

It is an arithmetic number, because the mean of its divisors is an integer number (215581558257565).

Almost surely, 2^{431163116515129} is an apocalyptic number.

It is an amenable number.

431163116515129 is a deficient number, since it is larger than the sum of its proper divisors (1).

431163116515129 is an equidigital number, since it uses as much as digits as its factorization.

431163116515129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 49.

The spelling of 431163116515129 in words is "four hundred thirty-one trillion, one hundred sixty-three billion, one hundred sixteen million, five hundred fifteen thousand, one hundred twenty-nine".