3143321391 has 8 divisors (see below), whose sum is σ = 4789823104. Its totient is φ = 1796183640.

The previous prime is 3143321323. The next prime is 3143321429. The reversal of 3143321391 is 1931233413.

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

It is not a de Polignac number, because 3143321391 - 2⁷ = 3143321263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143321591) 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, 74840965 + ... + 74841006.

It is an arithmetic number, because the mean of its divisors is an integer number (598727888).

Almost surely, 2^3143321391 is an apocalyptic number.

3143321391 is a deficient number, since it is larger than the sum of its proper divisors (1646501713).

3143321391 is a wasteful number, since it uses less digits than its factorization.

3143321391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149681981.

The product of its digits is 5832, while the sum is 30.

The square root of 3143321391 is about 56065.3314535819. The cubic root of 3143321391 is about 1464.8604806814.

The spelling of 3143321391 in words is "three billion, one hundred forty-three million, three hundred twenty-one thousand, three hundred ninety-one".