3185857433121 has 16 divisors (see below), whose sum is σ = 4741741297920. Its totient is φ = 1885919832720.

The previous prime is 3185857433119. The next prime is 3185857433233. The reversal of 3185857433121 is 1213347585813.

3185857433121 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 3185857433121 - 2¹ = 3185857433119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3185857431121) 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, 1122569911 + ... + 1122572748.

It is an arithmetic number, because the mean of its divisors is an integer number (296358831120).

Almost surely, 2^{3185857433121} is an apocalyptic number.

It is an amenable number.

3185857433121 is a deficient number, since it is larger than the sum of its proper divisors (1555883864799).

3185857433121 is a wasteful number, since it uses less digits than its factorization.

3185857433121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245142716.

The product of its digits is 2419200, while the sum is 51.

The spelling of 3185857433121 in words is "three trillion, one hundred eighty-five billion, eight hundred fifty-seven million, four hundred thirty-three thousand, one hundred twenty-one".