172275711431 has 2 divisors, whose sum is σ = 172275711432. Its totient is φ = 172275711430.

The previous prime is 172275711277. The next prime is 172275711449. The reversal of 172275711431 is 134117572271.

It is a strong prime.

It is an emirp because it is prime and its reverse (134117572271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172275711431 - 2¹⁴ = 172275695047 is a prime.

It is a super-2 number, since 2×172275711431² (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 (172275711131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86137855715 + 86137855716.

It is an arithmetic number, because the mean of its divisors is an integer number (86137855716).

Almost surely, 2^172275711431 is an apocalyptic number.

172275711431 is a deficient number, since it is larger than the sum of its proper divisors (1).

172275711431 is an equidigital number, since it uses as much as digits as its factorization.

172275711431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 41.

The spelling of 172275711431 in words is "one hundred seventy-two billion, two hundred seventy-five million, seven hundred eleven thousand, four hundred thirty-one".