1232131466 has 4 divisors (see below), whose sum is σ = 1848197202. Its totient is φ = 616065732.

The previous prime is 1232131451. The next prime is 1232131501. The reversal of 1232131466 is 6641312321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1067394241 + 164737225 = 32671^2 + 12835^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308032865 + ... + 308032868.

Almost surely, 2^1232131466 is an apocalyptic number.

1232131466 is a deficient number, since it is larger than the sum of its proper divisors (616065736).

1232131466 is an equidigital number, since it uses as much as digits as its factorization.

1232131466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616065735.

The product of its digits is 5184, while the sum is 29.

The square root of 1232131466 is about 35101.7302422544. The cubic root of 1232131466 is about 1072.0598124392.

Adding to 1232131466 its reverse (6641312321), we get a palindrome (7873443787).

The spelling of 1232131466 in words is "one billion, two hundred thirty-two million, one hundred thirty-one thousand, four hundred sixty-six".