231301371000 has 512 divisors, whose sum is σ = 876796876800. Its totient is φ = 49558118400.

The previous prime is 231301370977. The next prime is 231301371031. The reversal of 231301371000 is 173103132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 98887831 + ... + 98890169.

It is an arithmetic number, because the mean of its divisors is an integer number (1712493900).

Almost surely, 2^231301371000 is an apocalyptic number.

231301371000 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 231301371000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438398438400).

231301371000 is an abundant number, since it is smaller than the sum of its proper divisors (645495505800).

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

231301371000 is a wasteful number, since it uses less digits than its factorization.

231301371000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

Adding to 231301371000 its reverse (173103132), we get a palindrome (231474474132).

The spelling of 231301371000 in words is "two hundred thirty-one billion, three hundred one million, three hundred seventy-one thousand".