231311233230000 has 1600 divisors, whose sum is σ = 955643848879104. Its totient is φ = 46805760000000.

The previous prime is 231311233229981. The next prime is 231311233230113. The reversal of 231311233230000 is 32332113132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 14231901874 + ... + 14231918126.

Almost surely, 2^{231311233230000} is an apocalyptic number.

231311233230000 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 231311233230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477821924439552).

231311233230000 is an abundant number, since it is smaller than the sum of its proper divisors (724332615649104).

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

231311233230000 is a wasteful number, since it uses less digits than its factorization.

231311233230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464 (or 16443 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231311233230000 its reverse (32332113132), we get a palindrome (231343565343132).

The spelling of 231311233230000 in words is "two hundred thirty-one trillion, three hundred eleven billion, two hundred thirty-three million, two hundred thirty thousand".