231033420000 has 360 divisors, whose sum is σ = 833285869416. Its totient is φ = 60686208000.

The previous prime is 231033419957. The next prime is 231033420011. The reversal of 231033420000 is 24330132.

231033420000 is a `hidden beast` number, since 2 + 310 + 334 + 20 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 12050422 + ... + 12069578.

Almost surely, 2^231033420000 is an apocalyptic number.

231033420000 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 231033420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416642934708).

231033420000 is an abundant number, since it is smaller than the sum of its proper divisors (602252449416).

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

231033420000 is a wasteful number, since it uses less digits than its factorization.

231033420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19260 (or 19234 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 231033420000 its reverse (24330132), we get a palindrome (231057750132).

The spelling of 231033420000 in words is "two hundred thirty-one billion, thirty-three million, four hundred twenty thousand".