231023616413641 has 4 divisors (see below), whose sum is σ = 237267497938372. Its totient is φ = 224779734888912.

The previous prime is 231023616413537. The next prime is 231023616413669. The reversal of 231023616413641 is 146314616320132.

231023616413641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 155276620688016 + 75746995725625 = 12461004^2 + 8703275^2 .

It is a cyclic number.

It is not a de Polignac number, because 231023616413641 - 2⁴¹ = 228824593158089 is a prime.

It is a super-2 number, since 2×231023616413641² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231023616413041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3121940762310 + ... + 3121940762383.

It is an arithmetic number, because the mean of its divisors is an integer number (59316874484593).

Almost surely, 2^{231023616413641} is an apocalyptic number.

It is an amenable number.

231023616413641 is a deficient number, since it is larger than the sum of its proper divisors (6243881524731).

231023616413641 is an equidigital number, since it uses as much as digits as its factorization.

231023616413641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243881524730.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 231023616413641 in words is "two hundred thirty-one trillion, twenty-three billion, six hundred sixteen million, four hundred thirteen thousand, six hundred forty-one".