231620314 has 16 divisors (see below), whose sum is σ = 352889856. Its totient is φ = 114004800.

The previous prime is 231620269. The next prime is 231620329. The reversal of 231620314 is 413026132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29794 + ... + 36754.

It is an arithmetic number, because the mean of its divisors is an integer number (22055616).

Almost surely, 2^231620314 is an apocalyptic number.

231620314 is a deficient number, since it is larger than the sum of its proper divisors (121269542).

231620314 is a wasteful number, since it uses less digits than its factorization.

231620314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 231620314 is about 15219.0773044886. The cubic root of 231620314 is about 614.1279764504.

Adding to 231620314 its reverse (413026132), we get a palindrome (644646446).

The spelling of 231620314 in words is "two hundred thirty-one million, six hundred twenty thousand, three hundred fourteen".