231001100232020 has 24 divisors (see below), whose sum is σ = 485480410549344. Its totient is φ = 92328421033376.

The previous prime is 231001100232017. The next prime is 231001100232121. The reversal of 231001100232020 is 20232001100132.

It is a self number, because there is not a number n which added to its sum of digits gives 231001100232020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501164914 + ... + 4501216233.

It is an arithmetic number, because the mean of its divisors is an integer number (20228350439556).

Almost surely, 2^{231001100232020} is an apocalyptic number.

231001100232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231001100232020 is an abundant number, since it is smaller than the sum of its proper divisors (254479310317324).

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

231001100232020 is a wasteful number, since it uses less digits than its factorization.

231001100232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002382439 (or 9002382437 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 231001100232020 its reverse (20232001100132), we get a palindrome (251233101332152).

The spelling of 231001100232020 in words is "two hundred thirty-one trillion, one billion, one hundred million, two hundred thirty-two thousand, twenty".