3401021321 has 4 divisors (see below), whose sum is σ = 3401304192. Its totient is φ = 3400738452.

The previous prime is 3401021297. The next prime is 3401021341. The reversal of 3401021321 is 1231201043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1231201043 = 22189 ⋅55487.

It is a cyclic number.

It is not a de Polignac number, because 3401021321 - 2²² = 3396827017 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 3401021321.

It is not an unprimeable number, because it can be changed into a prime (3401021341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122561 + ... + 147726.

It is an arithmetic number, because the mean of its divisors is an integer number (850326048).

Almost surely, 2^3401021321 is an apocalyptic number.

It is an amenable number.

3401021321 is a deficient number, since it is larger than the sum of its proper divisors (282871).

3401021321 is a wasteful number, since it uses less digits than its factorization.

3401021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282870.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3401021321 is about 58318.2760461933. The cubic root of 3401021321 is about 1503.8451453344.

Adding to 3401021321 its reverse (1231201043), we get a palindrome (4632222364).

The spelling of 3401021321 in words is "three billion, four hundred one million, twenty-one thousand, three hundred twenty-one".