113203121330 has 16 divisors (see below), whose sum is σ = 219439896984. Its totient is φ = 41798075520.

The previous prime is 113203121249. The next prime is 113203121359. The reversal of 113203121330 is 33121302311.

It can be written as a sum of positive squares in 4 ways, for example, as 87369309889 + 25833811441 = 295583^2 + 160729^2 .

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, 435396491 + ... + 435396750.

Almost surely, 2^113203121330 is an apocalyptic number.

113203121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113203121330 is a deficient number, since it is larger than the sum of its proper divisors (106236775654).

113203121330 is a wasteful number, since it uses less digits than its factorization.

113203121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870793261.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 113203121330 its reverse (33121302311), we get a palindrome (146324423641).

The spelling of 113203121330 in words is "one hundred thirteen billion, two hundred three million, one hundred twenty-one thousand, three hundred thirty".