3042031321013 has 4 divisors (see below), whose sum is σ = 3042410776620. Its totient is φ = 3041651865408.

The previous prime is 3042031321009. The next prime is 3042031321019. The reversal of 3042031321013 is 3101231302403.

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 1617966192049 + 1424065128964 = 1271993^2 + 1193342^2 .

It is a cyclic number.

It is not a de Polignac number, because 3042031321013 - 2² = 3042031321009 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 3042031321013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042031321019) 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, 189715778 + ... + 189731811.

It is an arithmetic number, because the mean of its divisors is an integer number (760602694155).

Almost surely, 2^{3042031321013} is an apocalyptic number.

It is an amenable number.

3042031321013 is a deficient number, since it is larger than the sum of its proper divisors (379455607).

3042031321013 is an equidigital number, since it uses as much as digits as its factorization.

3042031321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379455606.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3042031321013 its reverse (3101231302403), we get a palindrome (6143262623416).

The spelling of 3042031321013 in words is "three trillion, forty-two billion, thirty-one million, three hundred twenty-one thousand, thirteen".