113213407 has 2 divisors, whose sum is σ = 113213408. Its totient is φ = 113213406.

The previous prime is 113213371. The next prime is 113213413. The reversal of 113213407 is 704312311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113213407 - 2⁷ = 113213279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113213497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606703 + 56606704.

It is an arithmetic number, because the mean of its divisors is an integer number (56606704).

Almost surely, 2^113213407 is an apocalyptic number.

113213407 is a deficient number, since it is larger than the sum of its proper divisors (1).

113213407 is an equidigital number, since it uses as much as digits as its factorization.

113213407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 113213407 is about 10640.1788988720. The cubic root of 113213407 is about 483.7629679124.

Adding to 113213407 its reverse (704312311), we get a palindrome (817525718).

The spelling of 113213407 in words is "one hundred thirteen million, two hundred thirteen thousand, four hundred seven".