11312321203331 has 8 divisors (see below), whose sum is σ = 11450347946400. Its totient is φ = 11174804726400.

The previous prime is 11312321203307. The next prime is 11312321203349. The reversal of 11312321203331 is 13330212321311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312321203331 is a prime.

It is a super-2 number, since 2×11312321203331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11312321203331.

It is not an unprimeable number, because it can be changed into a prime (11312321203531) 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, 127521926 + ... + 127610603.

It is an arithmetic number, because the mean of its divisors is an integer number (1431293493300).

Almost surely, 2^{11312321203331} is an apocalyptic number.

11312321203331 is a deficient number, since it is larger than the sum of its proper divisors (138026743069).

11312321203331 is a wasteful number, since it uses less digits than its factorization.

11312321203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255133069.

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

Adding to 11312321203331 its reverse (13330212321311), we get a palindrome (24642533524642).

The spelling of 11312321203331 in words is "eleven trillion, three hundred twelve billion, three hundred twenty-one million, two hundred three thousand, three hundred thirty-one".