172934622031 has 2 divisors, whose sum is σ = 172934622032. Its totient is φ = 172934622030.

The previous prime is 172934622019. The next prime is 172934622073. The reversal of 172934622031 is 130226439271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172934622031 - 2²³ = 172926233423 is a prime.

It is a super-2 number, since 2×172934622031² (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 (172934623031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86467311015 + 86467311016.

It is an arithmetic number, because the mean of its divisors is an integer number (86467311016).

Almost surely, 2^172934622031 is an apocalyptic number.

172934622031 is a deficient number, since it is larger than the sum of its proper divisors (1).

172934622031 is an equidigital number, since it uses as much as digits as its factorization.

172934622031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 172934622031 in words is "one hundred seventy-two billion, nine hundred thirty-four million, six hundred twenty-two thousand, thirty-one".