113280001243 has 2 divisors, whose sum is σ = 113280001244. Its totient is φ = 113280001242.

The previous prime is 113280001183. The next prime is 113280001253. The reversal of 113280001243 is 342100082311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113280001243 - 2⁹ = 113280000731 is a prime.

It is a super-2 number, since 2×113280001243² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113280001253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56640000621 + 56640000622.

It is an arithmetic number, because the mean of its divisors is an integer number (56640000622).

Almost surely, 2^113280001243 is an apocalyptic number.

113280001243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113280001243 is an equidigital number, since it uses as much as digits as its factorization.

113280001243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 113280001243 its reverse (342100082311), we get a palindrome (455380083554).

The spelling of 113280001243 in words is "one hundred thirteen billion, two hundred eighty million, one thousand, two hundred forty-three".