321420302113 has 4 divisors (see below), whose sum is σ = 321421741488. Its totient is φ = 321418862740.

The previous prime is 321420302069. The next prime is 321420302131. The reversal of 321420302113 is 311203024123.

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 321420302113 - 2¹⁷ = 321420171041 is a prime.

It is a super-2 number, since 2×321420302113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321420309113) 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 3 ways as a sum of consecutive naturals, for example, 305131 + ... + 857872.

It is an arithmetic number, because the mean of its divisors is an integer number (80355435372).

Almost surely, 2^321420302113 is an apocalyptic number.

It is an amenable number.

321420302113 is a deficient number, since it is larger than the sum of its proper divisors (1439375).

321420302113 is a wasteful number, since it uses less digits than its factorization.

321420302113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439374.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321420302113 its reverse (311203024123), we get a palindrome (632623326236).

The spelling of 321420302113 in words is "three hundred twenty-one billion, four hundred twenty million, three hundred two thousand, one hundred thirteen".