331341421 has 8 divisors (see below), whose sum is σ = 335226944. Its totient is φ = 327468960.

The previous prime is 331341391. The next prime is 331341449. The reversal of 331341421 is 124143133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331341421 - 2⁹ = 331340909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331341392 and 331341401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331344421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53401 + ... + 59281.

It is an arithmetic number, because the mean of its divisors is an integer number (41903368).

Almost surely, 2^331341421 is an apocalyptic number.

It is an amenable number.

331341421 is a deficient number, since it is larger than the sum of its proper divisors (3885523).

331341421 is a wasteful number, since it uses less digits than its factorization.

331341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531.

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

The square root of 331341421 is about 18202.7860779607. The cubic root of 331341421 is about 691.9773992474.

Adding to 331341421 its reverse (124143133), we get a palindrome (455484554).

The spelling of 331341421 in words is "three hundred thirty-one million, three hundred forty-one thousand, four hundred twenty-one".