231400240563060 has 144 divisors (see below), whose sum is σ = 704198885749632. Its totient is φ = 61505883014400.

The previous prime is 231400240562993. The next prime is 231400240563091. The reversal of 231400240563060 is 60365042004132.

231400240563060 is a `hidden beast` number, since 2 + 3 + 1 + 400 + 240 + 5 + 6 + 3 + 0 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1748581095 + ... + 1748713425.

It is an arithmetic number, because the mean of its divisors is an integer number (4890270039928).

Almost surely, 2^{231400240563060} is an apocalyptic number.

231400240563060 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 231400240563060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352099442874816).

231400240563060 is an abundant number, since it is smaller than the sum of its proper divisors (472798645186572).

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

231400240563060 is a wasteful number, since it uses less digits than its factorization.

231400240563060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163894 (or 163889 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 231400240563060 its reverse (60365042004132), we get a palindrome (291765282567192).

The spelling of 231400240563060 in words is "two hundred thirty-one trillion, four hundred billion, two hundred forty million, five hundred sixty-three thousand, sixty".