331412429 has 4 divisors (see below), whose sum is σ = 334453020. Its totient is φ = 328371840.

The previous prime is 331412423. The next prime is 331412437. The reversal of 331412429 is 924214133.

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

It can be written as a sum of positive squares in 2 ways, for example, as 201498025 + 129914404 = 14195^2 + 11398^2 .

It is a cyclic number.

It is not a de Polignac number, because 331412429 - 2⁸ = 331412173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331412423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520132 + ... + 1520349.

It is an arithmetic number, because the mean of its divisors is an integer number (83613255).

Almost surely, 2^331412429 is an apocalyptic number.

It is an amenable number.

331412429 is a deficient number, since it is larger than the sum of its proper divisors (3040591).

331412429 is a wasteful number, since it uses less digits than its factorization.

331412429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040590.

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

The square root of 331412429 is about 18204.7364441235. The cubic root of 331412429 is about 692.0268270364.

The spelling of 331412429 in words is "three hundred thirty-one million, four hundred twelve thousand, four hundred twenty-nine".