2113332313 has 4 divisors (see below), whose sum is σ = 2113481268. Its totient is φ = 2113183360.

The previous prime is 2113332259. The next prime is 2113332343. The reversal of 2113332313 is 3132333112.

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 1819278409 + 294053904 = 42653^2 + 17148^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113332313 - 2¹⁷ = 2113201241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113332343) 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, 50656 + ... + 82417.

It is an arithmetic number, because the mean of its divisors is an integer number (528370317).

Almost surely, 2^2113332313 is an apocalyptic number.

It is an amenable number.

2113332313 is a deficient number, since it is larger than the sum of its proper divisors (148955).

2113332313 is a wasteful number, since it uses less digits than its factorization.

2113332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148954.

The product of its digits is 972, while the sum is 22.

The square root of 2113332313 is about 45970.9942572488. The cubic root of 2113332313 is about 1283.2834631471.

Adding to 2113332313 its reverse (3132333112), we get a palindrome (5245665425).

The spelling of 2113332313 in words is "two billion, one hundred thirteen million, three hundred thirty-two thousand, three hundred thirteen".