3111401329 has 16 divisors (see below), whose sum is σ = 3266827200. Its totient is φ = 2959397056.

The previous prime is 3111401309. The next prime is 3111401347. The reversal of 3111401329 is 9231041113.

It is a cyclic number.

It is not a de Polignac number, because 3111401329 - 2⁷ = 3111401201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111401309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934662 + ... + 937984.

It is an arithmetic number, because the mean of its divisors is an integer number (204176700).

Almost surely, 2^3111401329 is an apocalyptic number.

It is an amenable number.

3111401329 is a deficient number, since it is larger than the sum of its proper divisors (155425871).

3111401329 is a wasteful number, since it uses less digits than its factorization.

3111401329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 3111401329 is about 55779.9366170310. The cubic root of 3111401329 is about 1459.8851052702.

The spelling of 3111401329 in words is "three billion, one hundred eleven million, four hundred one thousand, three hundred twenty-nine".