231450646 has 32 divisors (see below), whose sum is σ = 403361280. Its totient is φ = 97557696.

The previous prime is 231450643. The next prime is 231450649. The reversal of 231450646 is 646054132.

231450646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231450643) and next prime (231450649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231450643) 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, 475015 + ... + 475501.

It is an arithmetic number, because the mean of its divisors is an integer number (12605040).

Almost surely, 2^231450646 is an apocalyptic number.

231450646 is a deficient number, since it is larger than the sum of its proper divisors (171910634).

231450646 is a wasteful number, since it uses less digits than its factorization.

231450646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 231450646 is about 15213.5020951785. The cubic root of 231450646 is about 613.9779848303.

The spelling of 231450646 in words is "two hundred thirty-one million, four hundred fifty thousand, six hundred forty-six".