231453813 has 8 divisors (see below), whose sum is σ = 310961376. Its totient is φ = 153124400.

The previous prime is 231453757. The next prime is 231453829. The reversal of 231453813 is 318354132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231453813 - 2⁸ = 231453557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231453713) 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 7 ways as a sum of consecutive naturals, for example, 294078 + ... + 294863.

It is an arithmetic number, because the mean of its divisors is an integer number (38870172).

Almost surely, 2^231453813 is an apocalyptic number.

It is an amenable number.

231453813 is a deficient number, since it is larger than the sum of its proper divisors (79507563).

231453813 is a wasteful number, since it uses less digits than its factorization.

231453813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589075.

The product of its digits is 8640, while the sum is 30.

The square root of 231453813 is about 15213.6061799956. The cubic root of 231453813 is about 613.9807852249.

The spelling of 231453813 in words is "two hundred thirty-one million, four hundred fifty-three thousand, eight hundred thirteen".