231421774 has 8 divisors (see below), whose sum is σ = 347684688. Its totient is φ = 115526880.

The previous prime is 231421763. The next prime is 231421781. The reversal of 231421774 is 477124132.

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

It is a congruent number.

It is an unprimeable number.

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, 90427 + ... + 92950.

It is an arithmetic number, because the mean of its divisors is an integer number (43460586).

Almost surely, 2^231421774 is an apocalyptic number.

231421774 is a deficient number, since it is larger than the sum of its proper divisors (116262914).

231421774 is a wasteful number, since it uses less digits than its factorization.

231421774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184010.

The product of its digits is 9408, while the sum is 31.

The square root of 231421774 is about 15212.5531716408. The cubic root of 231421774 is about 613.9524538156.

The spelling of 231421774 in words is "two hundred thirty-one million, four hundred twenty-one thousand, seven hundred seventy-four".