113281907 has 2 divisors, whose sum is σ = 113281908. Its totient is φ = 113281906.

The previous prime is 113281873. The next prime is 113281913. The reversal of 113281907 is 709182311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113281907 - 2¹² = 113277811 is a prime.

It is not a weakly prime, because it can be changed into another prime (113281997) 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 as a sum of consecutive naturals, namely, 56640953 + 56640954.

It is an arithmetic number, because the mean of its divisors is an integer number (56640954).

Almost surely, 2^113281907 is an apocalyptic number.

113281907 is a deficient number, since it is larger than the sum of its proper divisors (1).

113281907 is an equidigital number, since it uses as much as digits as its factorization.

113281907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 113281907 is about 10643.3973429540. The cubic root of 113281907 is about 483.8605154940.

The spelling of 113281907 in words is "one hundred thirteen million, two hundred eighty-one thousand, nine hundred seven".