113213321003 has 16 divisors (see below), whose sum is σ = 118650894336. Its totient is φ = 107892025920.

The previous prime is 113213320999. The next prime is 113213321021. The reversal of 113213321003 is 300123312311.

It is a cyclic number.

It is not a de Polignac number, because 113213321003 - 2² = 113213320999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113213321203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425500 + ... + 1502822.

It is an arithmetic number, because the mean of its divisors is an integer number (7415680896).

Almost surely, 2^113213321003 is an apocalyptic number.

113213321003 is a deficient number, since it is larger than the sum of its proper divisors (5437573333).

113213321003 is an equidigital number, since it uses as much as digits as its factorization.

113213321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78074.

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

Adding to 113213321003 its reverse (300123312311), we get a palindrome (413336633314).

The spelling of 113213321003 in words is "one hundred thirteen billion, two hundred thirteen million, three hundred twenty-one thousand, three".