3340311312421 has 4 divisors (see below), whose sum is σ = 3485542239072. Its totient is φ = 3195080385772.

The previous prime is 3340311312391. The next prime is 3340311312493. The reversal of 3340311312421 is 1242131130433.

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 3340311312421 - 2¹³ = 3340311304229 is a prime.

It is a super-2 number, since 2×3340311312421² (a number of 26 digits) contains 22 as substring.

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 3340311312421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3340311312521) 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, 72615463291 + ... + 72615463336.

It is an arithmetic number, because the mean of its divisors is an integer number (871385559768).

Almost surely, 2^{3340311312421} is an apocalyptic number.

It is an amenable number.

3340311312421 is a deficient number, since it is larger than the sum of its proper divisors (145230926651).

3340311312421 is a wasteful number, since it uses less digits than its factorization.

3340311312421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145230926650.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 3340311312421 its reverse (1242131130433), we get a palindrome (4582442442854).

The spelling of 3340311312421 in words is "three trillion, three hundred forty billion, three hundred eleven million, three hundred twelve thousand, four hundred twenty-one".