113403221287 has 2 divisors, whose sum is σ = 113403221288. Its totient is φ = 113403221286.

The previous prime is 113403221273. The next prime is 113403221317. The reversal of 113403221287 is 782122304311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113403221287 - 2³¹ = 111255737639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113403221887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56701610643 + 56701610644.

It is an arithmetic number, because the mean of its divisors is an integer number (56701610644).

Almost surely, 2^113403221287 is an apocalyptic number.

113403221287 is a deficient number, since it is larger than the sum of its proper divisors (1).

113403221287 is an equidigital number, since it uses as much as digits as its factorization.

113403221287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 113403221287 its reverse (782122304311), we get a palindrome (895525525598).

The spelling of 113403221287 in words is "one hundred thirteen billion, four hundred three million, two hundred twenty-one thousand, two hundred eighty-seven".