231411465 has 16 divisors (see below), whose sum is σ = 411398400. Its totient is φ = 123419376.

The previous prime is 231411451. The next prime is 231411493. The reversal of 231411465 is 564114132.

It is a happy number.

231411465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231411465 - 2⁴ = 231411449 is a prime.

It is a super-2 number, since 2×231411465² = 107102532266892450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856945 + ... + 857214.

It is an arithmetic number, because the mean of its divisors is an integer number (25712400).

Almost surely, 2^231411465 is an apocalyptic number.

It is an amenable number.

231411465 is a deficient number, since it is larger than the sum of its proper divisors (179986935).

231411465 is a wasteful number, since it uses less digits than its factorization.

231411465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714173 (or 1714167 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 231411465 is about 15212.2143358553. The cubic root of 231411465 is about 613.9433372292.

Adding to 231411465 its reverse (564114132), we get a palindrome (795525597).

The spelling of 231411465 in words is "two hundred thirty-one million, four hundred eleven thousand, four hundred sixty-five".