3431145421120 has 28 divisors (see below), whose sum is σ = 8170415034804. Its totient is φ = 1372458168320.

The previous prime is 3431145421021. The next prime is 3431145421133. The reversal of 3431145421120 is 211245411343.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1313095977216 + 2118049443904 = 1145904^2 + 1455352^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5361164401 + ... + 5361165040.

Almost surely, 2^{3431145421120} is an apocalyptic number.

It is an amenable number.

3431145421120 is an abundant number, since it is smaller than the sum of its proper divisors (4739269613684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3431145421120 is a wasteful number, since it uses less digits than its factorization.

3431145421120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722329458 (or 10722329448 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 3431145421120 in words is "three trillion, four hundred thirty-one billion, one hundred forty-five million, four hundred twenty-one thousand, one hundred twenty".