1922313313 has 4 divisors (see below), whose sum is σ = 1953826708. Its totient is φ = 1890799920.

The previous prime is 1922313299. The next prime is 1922313319. The reversal of 1922313313 is 3133132291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3133132291 = 127 ⋅24670333.

It can be written as a sum of positive squares in 2 ways, for example, as 613899729 + 1308413584 = 24777^2 + 36172^2 .

It is not a de Polignac number, because 1922313313 - 2²⁵ = 1888758881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1922313319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15756606 + ... + 15756727.

It is an arithmetic number, because the mean of its divisors is an integer number (488456677).

Almost surely, 2^1922313313 is an apocalyptic number.

It is an amenable number.

1922313313 is a deficient number, since it is larger than the sum of its proper divisors (31513395).

1922313313 is an equidigital number, since it uses as much as digits as its factorization.

1922313313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31513394.

The product of its digits is 2916, while the sum is 28.

The square root of 1922313313 is about 43844.1936064515. The cubic root of 1922313313 is about 1243.3919688023.

The spelling of 1922313313 in words is "one billion, nine hundred twenty-two million, three hundred thirteen thousand, three hundred thirteen".