231120000043140 has 192 divisors, whose sum is σ = 701960052326400. Its totient is φ = 56479328165376.

The previous prime is 231120000043133. The next prime is 231120000043151. The reversal of 231120000043140 is 41340000021132.

It is a super-3 number, since 3×231120000043140³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4501464309 + ... + 4501515651.

It is an arithmetic number, because the mean of its divisors is an integer number (3656041939200).

Almost surely, 2^{231120000043140} is an apocalyptic number.

231120000043140 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 231120000043140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350980026163200).

231120000043140 is an abundant number, since it is smaller than the sum of its proper divisors (470840052283260).

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

231120000043140 is a wasteful number, since it uses less digits than its factorization.

231120000043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93026 (or 93024 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231120000043140 its reverse (41340000021132), we get a palindrome (272460000064272).

The spelling of 231120000043140 in words is "two hundred thirty-one trillion, one hundred twenty billion, forty-three thousand, one hundred forty".