113321211303 has 16 divisors (see below), whose sum is σ = 154807301376. Its totient is φ = 73691943360.

The previous prime is 113321211271. The next prime is 113321211331. The reversal of 113321211303 is 303112123311.

It is a happy number.

It is not a de Polignac number, because 113321211303 - 2⁵ = 113321211271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113321211303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113321211343) 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, 651300 + ... + 806742.

It is an arithmetic number, because the mean of its divisors is an integer number (9675456336).

Almost surely, 2^113321211303 is an apocalyptic number.

113321211303 is a deficient number, since it is larger than the sum of its proper divisors (41486090073).

113321211303 is a wasteful number, since it uses less digits than its factorization.

113321211303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161414.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113321211303 its reverse (303112123311), we get a palindrome (416433334614).

The spelling of 113321211303 in words is "one hundred thirteen billion, three hundred twenty-one million, two hundred eleven thousand, three hundred three".