313453225221 has 16 divisors (see below), whose sum is σ = 442751269824. Its totient is φ = 196574724864.

The previous prime is 313453225213. The next prime is 313453225237. The reversal of 313453225221 is 122522354313.

It is not a de Polignac number, because 313453225221 - 2³ = 313453225213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313453225271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491211 + ... + 1688376.

It is an arithmetic number, because the mean of its divisors is an integer number (27671954364).

Almost surely, 2^313453225221 is an apocalyptic number.

It is an amenable number.

313453225221 is a deficient number, since it is larger than the sum of its proper divisors (129298044603).

313453225221 is a wasteful number, since it uses less digits than its factorization.

313453225221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181540.

The product of its digits is 43200, while the sum is 33.

Adding to 313453225221 its reverse (122522354313), we get a palindrome (435975579534).

The spelling of 313453225221 in words is "three hundred thirteen billion, four hundred fifty-three million, two hundred twenty-five thousand, two hundred twenty-one".