172327416031 has 2 divisors, whose sum is σ = 172327416032. Its totient is φ = 172327416030.

The previous prime is 172327416007. The next prime is 172327416083. The reversal of 172327416031 is 130614723271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172327416031 - 2²³ = 172319027423 is a prime.

It is a super-2 number, since 2×172327416031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172327456031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86163708015 + 86163708016.

It is an arithmetic number, because the mean of its divisors is an integer number (86163708016).

Almost surely, 2^172327416031 is an apocalyptic number.

172327416031 is a deficient number, since it is larger than the sum of its proper divisors (1).

172327416031 is an equidigital number, since it uses as much as digits as its factorization.

172327416031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 172327416031 in words is "one hundred seventy-two billion, three hundred twenty-seven million, four hundred sixteen thousand, thirty-one".