113403221282 has 30 divisors (see below), whose sum is σ = 184410618693. Its totient is φ = 52302801408.

The previous prime is 113403221273. The next prime is 113403221287. The reversal of 113403221282 is 282122304311.

It can be written as a sum of positive squares in 8 ways, for example, as 111850782481 + 1552438801 = 334441^2 + 39401^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=238121.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113403221287) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 80484194 + ... + 80485602.

Almost surely, 2^113403221282 is an apocalyptic number.

113403221282 is a deficient number, since it is larger than the sum of its proper divisors (71007397411).

113403221282 is an frugal number, since it uses more digits than its factorization.

113403221282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Multiplying 113403221282 by its product of nonzero digits (4608), we get a square (522562043667456 = 22859616²).

Adding to 113403221282 its reverse (282122304311), we get a palindrome (395525525593).

The spelling of 113403221282 in words is "one hundred thirteen billion, four hundred three million, two hundred twenty-one thousand, two hundred eighty-two".