231411764 has 24 divisors (see below), whose sum is σ = 430265640. Its totient is φ = 108694656.

The previous prime is 231411757. The next prime is 231411797. The reversal of 231411764 is 467114132.

It is a happy number.

231411764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32376100 + 199035664 = 5690^2 + 14108^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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, 22667 + ... + 31250.

It is an arithmetic number, because the mean of its divisors is an integer number (17927735).

Almost surely, 2^231411764 is an apocalyptic number.

It is an amenable number.

231411764 is a deficient number, since it is larger than the sum of its proper divisors (198853876).

231411764 is a wasteful number, since it uses less digits than its factorization.

231411764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53987 (or 53985 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 231411764 is about 15212.2241634812. The cubic root of 231411764 is about 613.9436016485.

Adding to 231411764 its reverse (467114132), we get a palindrome (698525896).

The spelling of 231411764 in words is "two hundred thirty-one million, four hundred eleven thousand, seven hundred sixty-four".