231420020311200 has 144 divisors (see below), whose sum is σ = 860882475620160. Its totient is φ = 52896004638720.

The previous prime is 231420020311163. The next prime is 231420020311211. The reversal of 231420020311200 is 2113020024132.

It is a super-3 number, since 3×231420020311200³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 6887483805 + ... + 6887517404.

It is an arithmetic number, because the mean of its divisors is an integer number (5978350525140).

Almost surely, 2^{231420020311200} is an apocalyptic number.

231420020311200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231420020311200 is an abundant number, since it is smaller than the sum of its proper divisors (629462455308960).

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

231420020311200 is a wasteful number, since it uses less digits than its factorization.

231420020311200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13775001239 (or 13775001226 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231420020311200 its reverse (2113020024132), we get a palindrome (233533040335332).

The spelling of 231420020311200 in words is "two hundred thirty-one trillion, four hundred twenty billion, twenty million, three hundred eleven thousand, two hundred".