11331312213203 has 4 divisors (see below), whose sum is σ = 11417810779848. Its totient is φ = 11244813646560.

The previous prime is 11331312213191. The next prime is 11331312213211. The reversal of 11331312213203 is 30231221313311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11331312213203 - 2⁶ = 11331312213139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331312212203) 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, 43249283126 + ... + 43249283387.

It is an arithmetic number, because the mean of its divisors is an integer number (2854452694962).

Almost surely, 2^{11331312213203} is an apocalyptic number.

11331312213203 is a deficient number, since it is larger than the sum of its proper divisors (86498566645).

11331312213203 is an equidigital number, since it uses as much as digits as its factorization.

11331312213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86498566644.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11331312213203 its reverse (30231221313311), we get a palindrome (41562533526514).

The spelling of 11331312213203 in words is "eleven trillion, three hundred thirty-one billion, three hundred twelve million, two hundred thirteen thousand, two hundred three".