2102331231000 has 4608 divisors, whose sum is σ = 10759527717120. Its totient is φ = 362299392000.

The previous prime is 2102331230899. The next prime is 2102331231001. The reversal of 2102331231000 is 1321332012.

2102331231000 is a `hidden beast` number, since 2 + 102 + 331 + 231 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×2102331231000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102331231001) by changing a digit.

It is a polite number, since it can be written in 1151 ways as a sum of consecutive naturals, for example, 39666626974 + ... + 39666627026.

Almost surely, 2^{2102331231000} is an apocalyptic number.

2102331231000 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 2102331231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5379763858560).

2102331231000 is an abundant number, since it is smaller than the sum of its proper divisors (8657196486120).

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

2102331231000 is a wasteful number, since it uses less digits than its factorization.

2102331231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2102331231000 its reverse (1321332012), we get a palindrome (2103652563012).

The spelling of 2102331231000 in words is "two trillion, one hundred two billion, three hundred thirty-one million, two hundred thirty-one thousand".