231201140000 has 120 divisors (see below), whose sum is σ = 571495600368. Its totient is φ = 92040480000.

The previous prime is 231201139991. The next prime is 231201140029. The reversal of 231201140000 is 41102132.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4192607 + ... + 4247393.

Almost surely, 2^231201140000 is an apocalyptic number.

231201140000 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 231201140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285747800184).

231201140000 is an abundant number, since it is smaller than the sum of its proper divisors (340294460368).

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

231201140000 is an equidigital number, since it uses as much as digits as its factorization.

231201140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55028 (or 55005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 231201140000 its reverse (41102132), we get a palindrome (231242242132).

The spelling of 231201140000 in words is "two hundred thirty-one billion, two hundred one million, one hundred forty thousand".