231306483 has 4 divisors (see below), whose sum is σ = 308408648. Its totient is φ = 154204320.

The previous prime is 231306479. The next prime is 231306487. The reversal of 231306483 is 384603132.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (231306479) and next prime (231306487).

It is not a de Polignac number, because 231306483 - 2² = 231306479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231306483.

It is not an unprimeable number, because it can be changed into a prime (231306487) 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 3 ways as a sum of consecutive naturals, for example, 38551078 + ... + 38551083.

It is an arithmetic number, because the mean of its divisors is an integer number (77102162).

Almost surely, 2^231306483 is an apocalyptic number.

231306483 is a deficient number, since it is larger than the sum of its proper divisors (77102165).

231306483 is an equidigital number, since it uses as much as digits as its factorization.

231306483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77102164.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 231306483 is about 15208.7633619568. The cubic root of 231306483 is about 613.8504827856.

The spelling of 231306483 in words is "two hundred thirty-one million, three hundred six thousand, four hundred eighty-three".