3103381310621 has 4 divisors (see below), whose sum is σ = 3103391103744. Its totient is φ = 3103371517500.

The previous prime is 3103381310587. The next prime is 3103381310767. The reversal of 3103381310621 is 1260131833013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3103381310621 - 2²² = 3103377116317 is a prime.

It is a super-2 number, since 2×3103381310621² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103381310521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4404755 + ... + 5060496.

It is an arithmetic number, because the mean of its divisors is an integer number (775847775936).

Almost surely, 2^{3103381310621} is an apocalyptic number.

It is an amenable number.

3103381310621 is a deficient number, since it is larger than the sum of its proper divisors (9793123).

3103381310621 is an equidigital number, since it uses as much as digits as its factorization.

3103381310621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793122.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 3103381310621 in words is "three trillion, one hundred three billion, three hundred eighty-one million, three hundred ten thousand, six hundred twenty-one".