331232214421 has 8 divisors (see below), whose sum is σ = 345933932544. Its totient is φ = 316555522800.

The previous prime is 331232214359. The next prime is 331232214431. The reversal of 331232214421 is 124412232133.

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

It is not a de Polignac number, because 331232214421 - 2¹³ = 331232206229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331232214421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331232214431) 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, 6229566 + ... + 6282511.

It is an arithmetic number, because the mean of its divisors is an integer number (43241741568).

Almost surely, 2^331232214421 is an apocalyptic number.

It is an amenable number.

331232214421 is a deficient number, since it is larger than the sum of its proper divisors (14701718123).

331232214421 is a wasteful number, since it uses less digits than its factorization.

331232214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12513251.

The product of its digits is 6912, while the sum is 28.

Adding to 331232214421 its reverse (124412232133), we get a palindrome (455644446554).

The spelling of 331232214421 in words is "three hundred thirty-one billion, two hundred thirty-two million, two hundred fourteen thousand, four hundred twenty-one".