313220412421 has 8 divisors (see below), whose sum is σ = 357971301504. Its totient is φ = 268470802320.

The previous prime is 313220412419. The next prime is 313220412451. The reversal of 313220412421 is 124214022313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313220412421 - 2¹ = 313220412419 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 (313220412451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280056 + ... + 839566.

It is an arithmetic number, because the mean of its divisors is an integer number (44746412688).

Almost surely, 2^313220412421 is an apocalyptic number.

It is an amenable number.

313220412421 is a deficient number, since it is larger than the sum of its proper divisors (44750889083).

313220412421 is an equidigital number, since it uses as much as digits as its factorization.

313220412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639491.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 313220412421 its reverse (124214022313), we get a palindrome (437434434734).

The spelling of 313220412421 in words is "three hundred thirteen billion, two hundred twenty million, four hundred twelve thousand, four hundred twenty-one".