332130431 has 4 divisors (see below), whose sum is σ = 349611000. Its totient is φ = 314649864.

The previous prime is 332130371. The next prime is 332130433. The reversal of 332130431 is 134031233.

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

It is a cyclic number.

It is not a de Polignac number, because 332130431 - 2⁶ = 332130367 is a prime.

It is a super-2 number, since 2×332130431² = 220621246392491522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332130433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8740256 + ... + 8740293.

It is an arithmetic number, because the mean of its divisors is an integer number (87402750).

Almost surely, 2^332130431 is an apocalyptic number.

332130431 is a deficient number, since it is larger than the sum of its proper divisors (17480569).

332130431 is a wasteful number, since it uses less digits than its factorization.

332130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17480568.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 332130431 is about 18224.4459723746. The cubic root of 332130431 is about 692.5262231639.

Adding to 332130431 its reverse (134031233), we get a palindrome (466161664).

The spelling of 332130431 in words is "three hundred thirty-two million, one hundred thirty thousand, four hundred thirty-one".