3313155411421 has 4 divisors (see below), whose sum is σ = 3390205537312. Its totient is φ = 3236105285532.

The previous prime is 3313155411407. The next prime is 3313155411427. The reversal of 3313155411421 is 1241145513133.

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 3313155411421 - 2²³ = 3313147022813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313155411427) 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, 38525062881 + ... + 38525062966.

It is an arithmetic number, because the mean of its divisors is an integer number (847551384328).

Almost surely, 2^{3313155411421} is an apocalyptic number.

It is an amenable number.

3313155411421 is a deficient number, since it is larger than the sum of its proper divisors (77050125891).

3313155411421 is an equidigital number, since it uses as much as digits as its factorization.

3313155411421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77050125890.

The product of its digits is 21600, while the sum is 34.

The spelling of 3313155411421 in words is "three trillion, three hundred thirteen billion, one hundred fifty-five million, four hundred eleven thousand, four hundred twenty-one".