231453099 has 16 divisors (see below), whose sum is σ = 353955840. Its totient is φ = 149324040.

The previous prime is 231453083. The next prime is 231453109. The reversal of 231453099 is 990354132.

It is a happy number.

231453099 is a `hidden beast` number, since 2 + 31 + 4 + 530 + 99 = 666.

It is not a de Polignac number, because 231453099 - 2⁴ = 231453083 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (231453029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137427 + ... + 139100.

It is an arithmetic number, because the mean of its divisors is an integer number (22122240).

Almost surely, 2^231453099 is an apocalyptic number.

231453099 is a deficient number, since it is larger than the sum of its proper divisors (122502741).

231453099 is a wasteful number, since it uses less digits than its factorization.

231453099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276567 (or 276561 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 231453099 is about 15213.5827141407. The cubic root of 231453099 is about 613.9801538783.

It can be divided in two parts, 23145 and 3099, that added together give a square (26244 = 162²).

The spelling of 231453099 in words is "two hundred thirty-one million, four hundred fifty-three thousand, ninety-nine".