3031133313421 has 4 divisors (see below), whose sum is σ = 3209435273052. Its totient is φ = 2852831353792.

The previous prime is 3031133313419. The next prime is 3031133313433. The reversal of 3031133313421 is 1243133311303.

3031133313421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1474315637796 + 1556817675625 = 1214214^2 + 1247725^2 .

It is a cyclic number.

It is not a de Polignac number, because 3031133313421 - 2¹ = 3031133313419 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 3031133313421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031133313521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89150979790 + ... + 89150979823.

It is an arithmetic number, because the mean of its divisors is an integer number (802358818263).

Almost surely, 2^{3031133313421} is an apocalyptic number.

It is an amenable number.

3031133313421 is a deficient number, since it is larger than the sum of its proper divisors (178301959631).

3031133313421 is a wasteful number, since it uses less digits than its factorization.

3031133313421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178301959630.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 3031133313421 its reverse (1243133311303), we get a palindrome (4274266624724).

The spelling of 3031133313421 in words is "three trillion, thirty-one billion, one hundred thirty-three million, three hundred thirteen thousand, four hundred twenty-one".