113204206387 has 2 divisors, whose sum is σ = 113204206388. Its totient is φ = 113204206386.

The previous prime is 113204206373. The next prime is 113204206393. The reversal of 113204206387 is 783602402311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113204206387 - 2¹¹ = 113204204339 is a prime.

It is not a weakly prime, because it can be changed into another prime (113204206307) 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, 56602103193 + 56602103194.

It is an arithmetic number, because the mean of its divisors is an integer number (56602103194).

Almost surely, 2^113204206387 is an apocalyptic number.

113204206387 is a deficient number, since it is larger than the sum of its proper divisors (1).

113204206387 is an equidigital number, since it uses as much as digits as its factorization.

113204206387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 113204206387 its reverse (783602402311), we get a palindrome (896806608698).

The spelling of 113204206387 in words is "one hundred thirteen billion, two hundred four million, two hundred six thousand, three hundred eighty-seven".