231015013300 has 72 divisors (see below), whose sum is σ = 511463826720. Its totient is φ = 90543196800.

The previous prime is 231015013277. The next prime is 231015013343. The reversal of 231015013300 is 3310510132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1747530 + ... + 1875070.

It is an arithmetic number, because the mean of its divisors is an integer number (7103664260).

Almost surely, 2^231015013300 is an apocalyptic number.

231015013300 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 231015013300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255731913360).

231015013300 is an abundant number, since it is smaller than the sum of its proper divisors (280448813420).

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

231015013300 is a wasteful number, since it uses less digits than its factorization.

231015013300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127921 (or 127914 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 231015013300 its reverse (3310510132), we get a palindrome (234325523432).

The spelling of 231015013300 in words is "two hundred thirty-one billion, fifteen million, thirteen thousand, three hundred".