3129340831243 has 8 divisors (see below), whose sum is σ = 3417718990320. Its totient is φ = 2841611443680.

The previous prime is 3129340831189. The next prime is 3129340831271. The reversal of 3129340831243 is 3421380439213.

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 3129340831243 - 2²⁵ = 3129307276811 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 3129340831243.

It is not an unprimeable number, because it can be changed into a prime (3129340831273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162182788 + ... + 162202081.

It is an arithmetic number, because the mean of its divisors is an integer number (427214873790).

Almost surely, 2^{3129340831243} is an apocalyptic number.

3129340831243 is a deficient number, since it is larger than the sum of its proper divisors (288378159077).

3129340831243 is a wasteful number, since it uses less digits than its factorization.

3129340831243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324385757.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 3129340831243 in words is "three trillion, one hundred twenty-nine billion, three hundred forty million, eight hundred thirty-one thousand, two hundred forty-three".