33113112313 has 2 divisors, whose sum is σ = 33113112314. Its totient is φ = 33113112312.

The previous prime is 33113112301. The next prime is 33113112341. The reversal of 33113112313 is 31321131133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32937894144 + 175218169 = 181488^2 + 13237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33113112313 is a prime.

It is not a weakly prime, because it can be changed into another prime (33113112013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16556556156 + 16556556157.

It is an arithmetic number, because the mean of its divisors is an integer number (16556556157).

Almost surely, 2^33113112313 is an apocalyptic number.

It is an amenable number.

33113112313 is a deficient number, since it is larger than the sum of its proper divisors (1).

33113112313 is an equidigital number, since it uses as much as digits as its factorization.

33113112313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 22.

Adding to 33113112313 its reverse (31321131133), we get a palindrome (64434243446).

The spelling of 33113112313 in words is "thirty-three billion, one hundred thirteen million, one hundred twelve thousand, three hundred thirteen".