231264451 has 8 divisors (see below), whose sum is σ = 252504000. Its totient is φ = 210060840.

The previous prime is 231264443. The next prime is 231264461. The reversal of 231264451 is 154462132.

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

It is not a de Polignac number, because 231264451 - 2³ = 231264443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231264401) 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 7 ways as a sum of consecutive naturals, for example, 5500 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (31563000).

Almost surely, 2^231264451 is an apocalyptic number.

231264451 is a deficient number, since it is larger than the sum of its proper divisors (21239549).

231264451 is a wasteful number, since it uses less digits than its factorization.

231264451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17969.

The product of its digits is 5760, while the sum is 28.

The square root of 231264451 is about 15207.3814642758. The cubic root of 231264451 is about 613.8132984603.

The spelling of 231264451 in words is "two hundred thirty-one million, two hundred sixty-four thousand, four hundred fifty-one".