11312122303 has 8 divisors (see below), whose sum is σ = 12020171040. Its totient is φ = 10608810240.

The previous prime is 11312122271. The next prime is 11312122309. The reversal of 11312122303 is 30322121311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11312122303 - 2⁵ = 11312122271 is a prime.

It is a super-2 number, since 2×11312122303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312122309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179243 + ... + 1188796.

It is an arithmetic number, because the mean of its divisors is an integer number (1502521380).

Almost surely, 2^11312122303 is an apocalyptic number.

11312122303 is a deficient number, since it is larger than the sum of its proper divisors (708048737).

11312122303 is a wasteful number, since it uses less digits than its factorization.

11312122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368337.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11312122303 its reverse (30322121311), we get a palindrome (41634243614).

It can be divided in two parts, 113121 and 22303, that added together give a square (135424 = 368²).

The spelling of 11312122303 in words is "eleven billion, three hundred twelve million, one hundred twenty-two thousand, three hundred three".