231103323231000 has 512 divisors, whose sum is σ = 808690460497920. Its totient is φ = 54454208256000.

The previous prime is 231103323230929. The next prime is 231103323231007. The reversal of 231103323231000 is 132323301132.

It is a super-3 number, since 3×231103323231000³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231103323231007) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1180609134 + ... + 1180804866.

It is an arithmetic number, because the mean of its divisors is an integer number (1579473555660).

Almost surely, 2^{231103323231000} is an apocalyptic number.

231103323231000 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 231103323231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404345230248960).

231103323231000 is an abundant number, since it is smaller than the sum of its proper divisors (577587137266920).

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

231103323231000 is a wasteful number, since it uses less digits than its factorization.

231103323231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196772 (or 196758 counting only the distinct ones).

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

Adding to 231103323231000 its reverse (132323301132), we get a palindrome (231235646532132).

The spelling of 231103323231000 in words is "two hundred thirty-one trillion, one hundred three billion, three hundred twenty-three million, two hundred thirty-one thousand".