3129412361385 has 16 divisors (see below), whose sum is σ = 5007083457600. Its totient is φ = 1669012032960.

The previous prime is 3129412361363. The next prime is 3129412361389. The reversal of 3129412361385 is 5831632149213.

3129412361385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3129412361385 - 2¹⁵ = 3129412328617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3129412361389) 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, 4264266 + ... + 4943964.

It is an arithmetic number, because the mean of its divisors is an integer number (312942716100).

Almost surely, 2^{3129412361385} is an apocalyptic number.

It is an amenable number.

3129412361385 is a deficient number, since it is larger than the sum of its proper divisors (1877671096215).

3129412361385 is a wasteful number, since it uses less digits than its factorization.

3129412361385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986648.

The product of its digits is 933120, while the sum is 48.

The spelling of 3129412361385 in words is "three trillion, one hundred twenty-nine billion, four hundred twelve million, three hundred sixty-one thousand, three hundred eighty-five".