231345675 has 72 divisors (see below), whose sum is σ = 455203008. Its totient is φ = 111384000.

The previous prime is 231345671. The next prime is 231345713. The reversal of 231345675 is 576543132.

It is not a de Polignac number, because 231345675 - 2² = 231345671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231345671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 522004 + ... + 522446.

It is an arithmetic number, because the mean of its divisors is an integer number (6322264).

Almost surely, 2^231345675 is an apocalyptic number.

231345675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231345675 is a deficient number, since it is larger than the sum of its proper divisors (223857333).

231345675 is a wasteful number, since it uses less digits than its factorization.

231345675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 673 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 231345675 is about 15210.0517750598. The cubic root of 231345675 is about 613.8851505983.

The spelling of 231345675 in words is "two hundred thirty-one million, three hundred forty-five thousand, six hundred seventy-five".