231313404000 has 384 divisors, whose sum is σ = 868386355200. Its totient is φ = 52728268800.

The previous prime is 231313403999. The next prime is 231313404001. The reversal of 231313404000 is 404313132.

231313404000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231313403999) and next prime (231313404001).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231313404001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32672461 + ... + 32679539.

It is an arithmetic number, because the mean of its divisors is an integer number (2261422800).

Almost surely, 2^231313404000 is an apocalyptic number.

231313404000 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 231313404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434193177600).

231313404000 is an abundant number, since it is smaller than the sum of its proper divisors (637072951200).

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

231313404000 is a wasteful number, since it uses less digits than its factorization.

231313404000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503 (or 7485 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231313404000 its reverse (404313132), we get a palindrome (231717717132).

The spelling of 231313404000 in words is "two hundred thirty-one billion, three hundred thirteen million, four hundred four thousand".