330431424341421 has 64 divisors (see below), whose sum is σ = 487280059580160. Its totient is φ = 197920693002240.

The previous prime is 330431424341377. The next prime is 330431424341429. The reversal of 330431424341421 is 124143424134033.

It is not a de Polignac number, because 330431424341421 - 2⁹ = 330431424340909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 330431424341421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330431424341429) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1812090670 + ... + 1812273008.

It is an arithmetic number, because the mean of its divisors is an integer number (7613750930940).

Almost surely, 2^{330431424341421} is an apocalyptic number.

It is an amenable number.

330431424341421 is a deficient number, since it is larger than the sum of its proper divisors (156848635238739).

330431424341421 is a wasteful number, since it uses less digits than its factorization.

330431424341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190366.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 330431424341421 its reverse (124143424134033), we get a palindrome (454574848475454).

The spelling of 330431424341421 in words is "three hundred thirty trillion, four hundred thirty-one billion, four hundred twenty-four million, three hundred forty-one thousand, four hundred twenty-one".