231030465 has 16 divisors (see below), whose sum is σ = 370989888. Its totient is φ = 122769216.

The previous prime is 231030463. The next prime is 231030487. The reversal of 231030465 is 564030132.

It is a happy number.

It is not a de Polignac number, because 231030465 - 2¹ = 231030463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231030463) 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, 23647 + ... + 31956.

It is an arithmetic number, because the mean of its divisors is an integer number (23186868).

Almost surely, 2^231030465 is an apocalyptic number.

It is an amenable number.

231030465 is a deficient number, since it is larger than the sum of its proper divisors (139959423).

231030465 is a wasteful number, since it uses less digits than its factorization.

231030465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55888.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 231030465 is about 15199.6863454481. The cubic root of 231030465 is about 613.6062163615.

Adding to 231030465 its reverse (564030132), we get a palindrome (795060597).

The spelling of 231030465 in words is "two hundred thirty-one million, thirty thousand, four hundred sixty-five".