231302254500000 has 252 divisors, whose sum is σ = 822196724536278. Its totient is φ = 61680600000000.

The previous prime is 231302254499957. The next prime is 231302254500007. The reversal of 231302254500000 is 5452203132.

It is a happy number.

231302254500000 is a `hidden beast` number, since 2 + 3 + 130 + 2 + 25 + 4 + 500 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 202023809666064 + 29278444833936 = 14213508^2 + 5410956^2 .

It is not an unprimeable number, because it can be changed into a prime (231302254500007) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 21200251 + ... + 30200250.

Almost surely, 2^{231302254500000} is an apocalyptic number.

231302254500000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231302254500000 is an abundant number, since it is smaller than the sum of its proper divisors (590894470036278).

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

231302254500000 is an frugal number, since it uses more digits than its factorization.

231302254500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51400547 (or 51400511 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 231302254500000 in words is "two hundred thirty-one trillion, three hundred two billion, two hundred fifty-four million, five hundred thousand".