231545403023300 has 36 divisors (see below), whose sum is σ = 532009614244500. Its totient is φ = 87170034078720.

The previous prime is 231545403023257. The next prime is 231545403023303. The reversal of 231545403023300 is 3320304545132.

It can be written as a sum of positive squares in 6 ways, for example, as 12164693035264 + 219380709988036 = 3487792^2 + 14811506^2 .

It is a super-2 number, since 2×231545403023300² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231545403023303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68101587425 + ... + 68101590824.

It is an arithmetic number, because the mean of its divisors is an integer number (14778044840125).

Almost surely, 2^{231545403023300} is an apocalyptic number.

231545403023300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231545403023300 is an abundant number, since it is smaller than the sum of its proper divisors (300464211221200).

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

231545403023300 is a wasteful number, since it uses less digits than its factorization.

231545403023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136203178280 (or 136203178273 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 231545403023300 its reverse (3320304545132), we get a palindrome (234865707568432).

The spelling of 231545403023300 in words is "two hundred thirty-one trillion, five hundred forty-five billion, four hundred three million, twenty-three thousand, three hundred".