113220313133 has 4 divisors (see below), whose sum is σ = 113221912608. Its totient is φ = 113218713660.

The previous prime is 113220313117. The next prime is 113220313139. The reversal of 113220313133 is 331313022311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331313022311 = 5347 ⋅61962413.

It is a cyclic number.

It is not a de Polignac number, because 113220313133 - 2⁴ = 113220313117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113220313099 and 113220313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220313139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688391 + ... + 836852.

It is an arithmetic number, because the mean of its divisors is an integer number (28305478152).

Almost surely, 2^113220313133 is an apocalyptic number.

It is an amenable number.

113220313133 is a deficient number, since it is larger than the sum of its proper divisors (1599475).

113220313133 is an equidigital number, since it uses as much as digits as its factorization.

113220313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599474.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 113220313133 its reverse (331313022311), we get a palindrome (444533335444).

The spelling of 113220313133 in words is "one hundred thirteen billion, two hundred twenty million, three hundred thirteen thousand, one hundred thirty-three".