3149312671 has 4 divisors (see below), whose sum is σ = 3149770144. Its totient is φ = 3148855200.

The previous prime is 3149312659. The next prime is 3149312717. The reversal of 3149312671 is 1762139413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1762139413 = 1303 ⋅1352371.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3149312671 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 3149312671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149312641) 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, 218250 + ... + 232231.

It is an arithmetic number, because the mean of its divisors is an integer number (787442536).

Almost surely, 2^3149312671 is an apocalyptic number.

3149312671 is a deficient number, since it is larger than the sum of its proper divisors (457473).

3149312671 is an equidigital number, since it uses as much as digits as its factorization.

3149312671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457472.

The product of its digits is 27216, while the sum is 37.

The square root of 3149312671 is about 56118.7372541471. The cubic root of 3149312671 is about 1465.7905816873.

The spelling of 3149312671 in words is "three billion, one hundred forty-nine million, three hundred twelve thousand, six hundred seventy-one".