231086451 has 16 divisors (see below), whose sum is σ = 328356864. Its totient is φ = 144222144.

The previous prime is 231086447. The next prime is 231086459. The reversal of 231086451 is 154680132.

It is not a de Polignac number, because 231086451 - 2² = 231086447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231086459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32386 + ... + 38871.

It is an arithmetic number, because the mean of its divisors is an integer number (20522304).

Almost surely, 2^231086451 is an apocalyptic number.

231086451 is a deficient number, since it is larger than the sum of its proper divisors (97270413).

231086451 is a wasteful number, since it uses less digits than its factorization.

231086451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71330.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 231086451 is about 15201.5279166273. The cubic root of 231086451 is about 613.6557777661.

The spelling of 231086451 in words is "two hundred thirty-one million, eighty-six thousand, four hundred fifty-one".