231201020131120 has 160 divisors (see below), whose sum is σ = 594603230582592. Its totient is φ = 83050145427456.

The previous prime is 231201020131097. The next prime is 231201020131141. The reversal of 231201020131120 is 21131020102132.

231201020131120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352649539 + ... + 353304541.

Almost surely, 2^{231201020131120} is an apocalyptic number.

231201020131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231201020131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297301615291296).

231201020131120 is an abundant number, since it is smaller than the sum of its proper divisors (363402210451472).

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

231201020131120 is a wasteful number, since it uses less digits than its factorization.

231201020131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664239 (or 664233 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231201020131120 its reverse (21131020102132), we get a palindrome (252332040233252).

The spelling of 231201020131120 in words is "two hundred thirty-one trillion, two hundred one billion, twenty million, one hundred thirty-one thousand, one hundred twenty".