231161101161132 has 12 divisors (see below), whose sum is σ = 539375902709336. Its totient is φ = 77053700387040.

The previous prime is 231161101161127. The next prime is 231161101161149.

231161101161132 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 231161101161132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9631712548369 + ... + 9631712548392.

Almost surely, 2^{231161101161132} is an apocalyptic number.

It is an amenable number.

231161101161132 is an abundant number, since it is smaller than the sum of its proper divisors (308214801548204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231161101161132 is a wasteful number, since it uses less digits than its factorization.

231161101161132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19263425096768 (or 19263425096766 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

It can be divided in two parts, 23116110 and 1161132, that added together give a palindrome (24277242).

The spelling of 231161101161132 in words is "two hundred thirty-one trillion, one hundred sixty-one billion, one hundred one million, one hundred sixty-one thousand, one hundred thirty-two".