231415324140000 has 2880 divisors, whose sum is σ = 1054782909024768. Its totient is φ = 43183134720000.

The previous prime is 231415324139959. The next prime is 231415324140019. The reversal of 231415324140000 is 41423514132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 231415324140000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 24444415267 + ... + 24444424733.

Almost surely, 2^{231415324140000} is an apocalyptic number.

231415324140000 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 231415324140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527391454512384).

231415324140000 is an abundant number, since it is smaller than the sum of its proper divisors (823367584884768).

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

231415324140000 is a wasteful number, since it uses less digits than its factorization.

231415324140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579 (or 9545 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 231415324140000 its reverse (41423514132), we get a palindrome (231456747654132).

The spelling of 231415324140000 in words is "two hundred thirty-one trillion, four hundred fifteen billion, three hundred twenty-four million, one hundred forty thousand".