331642413 has 12 divisors (see below), whose sum is σ = 479213280. Its totient is φ = 221014536.

The previous prime is 331642411. The next prime is 331642427. The reversal of 331642413 is 314246133.

331642413 is a `hidden beast` number, since 3 + 3 + 1 + 642 + 4 + 13 = 666.

It is not a de Polignac number, because 331642413 - 2¹ = 331642411 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331642411) 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, 29998 + ... + 39536.

It is an arithmetic number, because the mean of its divisors is an integer number (39934440).

Almost surely, 2^331642413 is an apocalyptic number.

It is an amenable number.

331642413 is a deficient number, since it is larger than the sum of its proper divisors (147570867).

331642413 is a wasteful number, since it uses less digits than its factorization.

331642413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13408 (or 13405 counting only the distinct ones).

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

The square root of 331642413 is about 18211.0519465516. The cubic root of 331642413 is about 692.1868676010.

Adding to 331642413 its reverse (314246133), we get a palindrome (645888546).

The spelling of 331642413 in words is "three hundred thirty-one million, six hundred forty-two thousand, four hundred thirteen".