3291321401 has 4 divisors (see below), whose sum is σ = 3294152592. Its totient is φ = 3288490212.

The previous prime is 3291321373. The next prime is 3291321403. The reversal of 3291321401 is 1041231923.

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: 1041231923 = 73 ⋅14263451.

It is a cyclic number.

It is not a de Polignac number, because 3291321401 - 2³⁰ = 2217579577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3291321403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413851 + ... + 1416176.

It is an arithmetic number, because the mean of its divisors is an integer number (823538148).

Almost surely, 2^3291321401 is an apocalyptic number.

It is an amenable number.

3291321401 is a deficient number, since it is larger than the sum of its proper divisors (2831191).

3291321401 is a wasteful number, since it uses less digits than its factorization.

3291321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831190.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3291321401 is about 57370.0392278060. The cubic root of 3291321401 is about 1487.4992812745.

The spelling of 3291321401 in words is "three billion, two hundred ninety-one million, three hundred twenty-one thousand, four hundred one".