331412431 has 20 divisors (see below), whose sum is σ = 390885152. Its totient is φ = 280941696.

The previous prime is 331412423. The next prime is 331412437. The reversal of 331412431 is 134214133.

It is not a de Polignac number, because 331412431 - 2³ = 331412423 is a prime.

It is a super-2 number, since 2×331412431² = 219668398842659522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331412437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 232186 + ... + 233608.

Almost surely, 2^331412431 is an apocalyptic number.

331412431 is a deficient number, since it is larger than the sum of its proper divisors (59472721).

331412431 is an frugal number, since it uses more digits than its factorization.

331412431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 1527 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 331412431 is about 18204.7364990543. The cubic root of 331412431 is about 692.0268284285.

Adding to 331412431 its reverse (134214133), we get a palindrome (465626564).

The spelling of 331412431 in words is "three hundred thirty-one million, four hundred twelve thousand, four hundred thirty-one".