11312213213203 has 24 divisors (see below), whose sum is σ = 13933415616912. Its totient is φ = 9125658307584.

The previous prime is 11312213213177. The next prime is 11312213213207. The reversal of 11312213213203 is 30231231221311.

It is not a de Polignac number, because 11312213213203 - 2³³ = 11303623278611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312213213207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77110000 + ... + 77256562.

It is an arithmetic number, because the mean of its divisors is an integer number (580558984038).

Almost surely, 2^{11312213213203} is an apocalyptic number.

11312213213203 is a deficient number, since it is larger than the sum of its proper divisors (2621202403709).

11312213213203 is a wasteful number, since it uses less digits than its factorization.

11312213213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239251 (or 239244 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11312213213203 its reverse (30231231221311), we get a palindrome (41543444434514).

The spelling of 11312213213203 in words is "eleven trillion, three hundred twelve billion, two hundred thirteen million, two hundred thirteen thousand, two hundred three".