3111441303421 has 16 divisors (see below), whose sum is σ = 3404006985600. Its totient is φ = 2820494694400.

The previous prime is 3111441303409. The next prime is 3111441303427. The reversal of 3111441303421 is 1243031441113.

It is a cyclic number.

It is not a de Polignac number, because 3111441303421 - 2²¹ = 3111439206269 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 3111441303421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111441303427) 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, 83261781 + ... + 83299141.

It is an arithmetic number, because the mean of its divisors is an integer number (212750436600).

Almost surely, 2^{3111441303421} is an apocalyptic number.

It is an amenable number.

3111441303421 is a deficient number, since it is larger than the sum of its proper divisors (292565682179).

3111441303421 is a wasteful number, since it uses less digits than its factorization.

3111441303421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58820.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 3111441303421 its reverse (1243031441113), we get a palindrome (4354472744534).

The spelling of 3111441303421 in words is "three trillion, one hundred eleven billion, four hundred forty-one million, three hundred three thousand, four hundred twenty-one".