310221123113 has 4 divisors (see below), whose sum is σ = 338423043408. Its totient is φ = 282019202820.

The previous prime is 310221123097. The next prime is 310221123221. The reversal of 310221123113 is 311321122013.

It is a happy number.

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 310221123113 - 2⁴ = 310221123097 is a prime.

It is a super-2 number, since 2×310221123113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (310221123313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14100960131 + ... + 14100960152.

It is an arithmetic number, because the mean of its divisors is an integer number (84605760852).

Almost surely, 2^310221123113 is an apocalyptic number.

It is an amenable number.

310221123113 is a deficient number, since it is larger than the sum of its proper divisors (28201920295).

310221123113 is a wasteful number, since it uses less digits than its factorization.

310221123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28201920294.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 310221123113 its reverse (311321122013), we get a palindrome (621542245126).

It can be divided in two parts, 310221 and 123113, that added together give a palindrome (433334).

The spelling of 310221123113 in words is "three hundred ten billion, two hundred twenty-one million, one hundred twenty-three thousand, one hundred thirteen".