231000313200 has 60 divisors (see below), whose sum is σ = 739971007128. Its totient is φ = 61600083200.

The previous prime is 231000313177. The next prime is 231000313213. The reversal of 231000313200 is 2313000132.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×231000313200² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231000313200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96248931 + ... + 96251330.

Almost surely, 2^231000313200 is an apocalyptic number.

231000313200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231000313200 is an abundant number, since it is smaller than the sum of its proper divisors (508970693928).

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

231000313200 is a wasteful number, since it uses less digits than its factorization.

231000313200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192500282 (or 192500271 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 231000313200 its reverse (2313000132), we get a palindrome (233313313332).

The spelling of 231000313200 in words is "two hundred thirty-one billion, three hundred thirteen thousand, two hundred".