3129219313 has 8 divisors (see below), whose sum is σ = 3414186720. Its totient is φ = 2844334080.

The previous prime is 3129219311. The next prime is 3129219319. The reversal of 3129219313 is 3139129213.

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

It is a cyclic number.

It is not a de Polignac number, because 3129219313 - 2¹ = 3129219311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3129219311) 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, 80881 + ... + 113137.

It is an arithmetic number, because the mean of its divisors is an integer number (426773340).

Almost surely, 2^3129219313 is an apocalyptic number.

It is an amenable number.

3129219313 is a deficient number, since it is larger than the sum of its proper divisors (284967407).

3129219313 is a wasteful number, since it uses less digits than its factorization.

3129219313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41087.

The product of its digits is 8748, while the sum is 34.

The square root of 3129219313 is about 55939.4253903273. The cubic root of 3129219313 is about 1462.6665649821. Note that the first 3 decimals are identical.

It can be divided in two parts, 31292 and 19313, that added together give a palindrome (50605).

The spelling of 3129219313 in words is "three billion, one hundred twenty-nine million, two hundred nineteen thousand, three hundred thirteen".