231485363 has 4 divisors (see below), whose sum is σ = 241549968. Its totient is φ = 221420760.

The previous prime is 231485333. The next prime is 231485369. The reversal of 231485363 is 363584132.

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

It is a cyclic number.

It is not a de Polignac number, because 231485363 - 2¹² = 231481267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231485369) 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, 5032268 + ... + 5032313.

It is an arithmetic number, because the mean of its divisors is an integer number (60387492).

Almost surely, 2^231485363 is an apocalyptic number.

231485363 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231485363 is a deficient number, since it is larger than the sum of its proper divisors (10064605).

231485363 is a wasteful number, since it uses less digits than its factorization.

231485363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10064604.

The product of its digits is 51840, while the sum is 35.

The square root of 231485363 is about 15214.6430454349. The cubic root of 231485363 is about 614.0086816670.

The spelling of 231485363 in words is "two hundred thirty-one million, four hundred eighty-five thousand, three hundred sixty-three".