1930282213 has 4 divisors (see below), whose sum is σ = 1930928428. Its totient is φ = 1929636000.

The previous prime is 1930282201. The next prime is 1930282217. The reversal of 1930282213 is 3122820391.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1668068964 + 262213249 = 40842^2 + 16193^2 .

It is a cyclic number.

It is not a de Polignac number, because 1930282213 - 2²⁹ = 1393411301 is a prime.

It is a super-3 number, since 3×1930282213³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930282217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318606 + ... + 324607.

It is an arithmetic number, because the mean of its divisors is an integer number (482732107).

Almost surely, 2^1930282213 is an apocalyptic number.

It is an amenable number.

1930282213 is a deficient number, since it is larger than the sum of its proper divisors (646215).

1930282213 is an equidigital number, since it uses as much as digits as its factorization.

1930282213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646214.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1930282213 is about 43934.9771025319. The cubic root of 1930282213 is about 1245.1077497966.

The spelling of 1930282213 in words is "one billion, nine hundred thirty million, two hundred eighty-two thousand, two hundred thirteen".