231772705711101 has 24 divisors (see below), whose sum is σ = 358180041820640. Its totient is φ = 143983044093600.

The previous prime is 231772705711039. The next prime is 231772705711109. The reversal of 231772705711101 is 101117507277132.

231772705711101 is a `hidden beast` number, since 2 + 3 + 1 + 7 + 7 + 2 + 70 + 571 + 1 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 231772705711101 - 2¹⁵ = 231772705678333 is a prime.

It is a super-2 number, since 2×231772705711101² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231772705711109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11109792355 + ... + 11109813216.

Almost surely, 2^{231772705711101} is an apocalyptic number.

It is an amenable number.

231772705711101 is a deficient number, since it is larger than the sum of its proper divisors (126407336109539).

231772705711101 is a wasteful number, since it uses less digits than its factorization.

231772705711101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22219605657 (or 22219605654 counting only the distinct ones).

The product of its (nonzero) digits is 144060, while the sum is 45.

The spelling of 231772705711101 in words is "two hundred thirty-one trillion, seven hundred seventy-two billion, seven hundred five million, seven hundred eleven thousand, one hundred one".