113203131122 has 16 divisors (see below), whose sum is σ = 170559781272. Its totient is φ = 56350419840.

The previous prime is 113203131113. The next prime is 113203131137. The reversal of 113203131122 is 221131302311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110210056441 + 2993074681 = 331979^2 + 54709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113203131094 and 113203131103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276848 + ... + 550500.

Almost surely, 2^113203131122 is an apocalyptic number.

113203131122 is a deficient number, since it is larger than the sum of its proper divisors (57356650150).

113203131122 is a wasteful number, since it uses less digits than its factorization.

113203131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274573.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113203131122 its reverse (221131302311), we get a palindrome (334334433433).

The spelling of 113203131122 in words is "one hundred thirteen billion, two hundred three million, one hundred thirty-one thousand, one hundred twenty-two".