231448315 has 12 divisors (see below), whose sum is σ = 323083296. Its totient is φ = 158707248.

The previous prime is 231448309. The next prime is 231448331. The reversal of 231448315 is 513844132.

It is not a de Polignac number, because 231448315 - 2³ = 231448307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472099 + ... + 472588.

It is an arithmetic number, because the mean of its divisors is an integer number (26923608).

Almost surely, 2^231448315 is an apocalyptic number.

231448315 is a deficient number, since it is larger than the sum of its proper divisors (91634981).

231448315 is an equidigital number, since it uses as much as digits as its factorization.

231448315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944706 (or 944699 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 231448315 is about 15213.4254854060. The cubic root of 231448315 is about 613.9759236458.

The spelling of 231448315 in words is "two hundred thirty-one million, four hundred forty-eight thousand, three hundred fifteen".