132431330421 has 12 divisors (see below), whose sum is σ = 206004291948. Its totient is φ = 81496203264.

The previous prime is 132431330417. The next prime is 132431330443. The reversal of 132431330421 is 124033134231.

It is a happy number.

132431330421 is a `hidden beast` number, since 1 + 3 + 24 + 313 + 304 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11254239396 + 121177091025 = 106086^2 + 348105^2 .

It is not a de Polignac number, because 132431330421 - 2² = 132431330417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132431330401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565945740 + ... + 565945973.

It is an arithmetic number, because the mean of its divisors is an integer number (17167024329).

Almost surely, 2^132431330421 is an apocalyptic number.

It is an amenable number.

132431330421 is a deficient number, since it is larger than the sum of its proper divisors (73572961527).

132431330421 is a wasteful number, since it uses less digits than its factorization.

132431330421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131891732 (or 1131891729 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 132431330421 its reverse (124033134231), we get a palindrome (256464464652).

The spelling of 132431330421 in words is "one hundred thirty-two billion, four hundred thirty-one million, three hundred thirty thousand, four hundred twenty-one".