231145155321300 has 108 divisors (see below), whose sum is σ = 790376343259776. Its totient is φ = 56035189166400.

The previous prime is 231145155321299. The next prime is 231145155321307. The reversal of 231145155321300 is 3123551541132.

It is a happy number.

231145155321300 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 4 + 51 + 553 + 21 + 30 + 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 not an unprimeable number, because it can be changed into a prime (231145155321307) 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 35 ways as a sum of consecutive naturals, for example, 11673987844 + ... + 11674007643.

Almost surely, 2^{231145155321300} is an apocalyptic number.

231145155321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231145155321300 is an abundant number, since it is smaller than the sum of its proper divisors (559231187938476).

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

231145155321300 is a wasteful number, since it uses less digits than its factorization.

231145155321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23347995518 (or 23347995508 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 231145155321300 in words is "two hundred thirty-one trillion, one hundred forty-five billion, one hundred fifty-five million, three hundred twenty-one thousand, three hundred".