232131112131000 has 128 divisors (see below), whose sum is σ = 724336796851200. Its totient is φ = 61894131868800.

The previous prime is 232131112130969. The next prime is 232131112131007. The reversal of 232131112131000 is 131211131232.

It is a super-2 number, since 2×232131112131000² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232131112131007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20106861 + ... + 29471139.

It is an arithmetic number, because the mean of its divisors is an integer number (5658881225400).

Almost surely, 2^{232131112131000} is an apocalyptic number.

232131112131000 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 232131112131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362168398425600).

232131112131000 is an abundant number, since it is smaller than the sum of its proper divisors (492205684720200).

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

232131112131000 is a wasteful number, since it uses less digits than its factorization.

232131112131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9372566 (or 9372552 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 232131112131000 its reverse (131211131232), we get a palindrome (232262323262232).

The spelling of 232131112131000 in words is "two hundred thirty-two trillion, one hundred thirty-one billion, one hundred twelve million, one hundred thirty-one thousand".