3021321400342 has 48 divisors (see below), whose sum is σ = 5394144109536. Its totient is φ = 1242560044800.

The previous prime is 3021321400289. The next prime is 3021321400343. The reversal of 3021321400342 is 2430041231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021321400343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1428568 + ... + 2843140.

It is an arithmetic number, because the mean of its divisors is an integer number (112378002282).

Almost surely, 2^{3021321400342} is an apocalyptic number.

3021321400342 is a deficient number, since it is larger than the sum of its proper divisors (2372822709194).

3021321400342 is a wasteful number, since it uses less digits than its factorization.

3021321400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414745 (or 1414684 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 3021321400342 its reverse (2430041231203), we get a palindrome (5451362631545).

The spelling of 3021321400342 in words is "three trillion, twenty-one billion, three hundred twenty-one million, four hundred thousand, three hundred forty-two".