3103312421 has 16 divisors (see below), whose sum is σ = 3546132480. Its totient is φ = 2688214320.

The previous prime is 3103312409. The next prime is 3103312477. The reversal of 3103312421 is 1242133013.

3103312421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3103312421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3103312393 and 3103312402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103312721) 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, 43220 + ... + 89858.

It is an arithmetic number, because the mean of its divisors is an integer number (221633280).

Almost surely, 2^3103312421 is an apocalyptic number.

It is an amenable number.

3103312421 is a deficient number, since it is larger than the sum of its proper divisors (442820059).

3103312421 is a wasteful number, since it uses less digits than its factorization.

3103312421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46936.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3103312421 is about 55707.3821050675. The cubic root of 3103312421 is about 1458.6188886160.

Adding to 3103312421 its reverse (1242133013), we get a palindrome (4345445434).

The spelling of 3103312421 in words is "three billion, one hundred three million, three hundred twelve thousand, four hundred twenty-one".