11211300323031 has 4 divisors (see below), whose sum is σ = 14948400430712. Its totient is φ = 7474200215352.

The previous prime is 11211300323023. The next prime is 11211300323033. The reversal of 11211300323031 is 13032300311211.

It is a happy number.

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

It is not a de Polignac number, because 11211300323031 - 2³ = 11211300323023 is a prime.

It is a super-2 number, since 2×11211300323031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211300322989 and 11211300323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211300323033) 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, 1868550053836 + ... + 1868550053841.

It is an arithmetic number, because the mean of its divisors is an integer number (3737100107678).

Almost surely, 2^{11211300323031} is an apocalyptic number.

11211300323031 is a deficient number, since it is larger than the sum of its proper divisors (3737100107681).

11211300323031 is an equidigital number, since it uses as much as digits as its factorization.

11211300323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737100107680.

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

Adding to 11211300323031 its reverse (13032300311211), we get a palindrome (24243600634242).

The spelling of 11211300323031 in words is "eleven trillion, two hundred eleven billion, three hundred million, three hundred twenty-three thousand, thirty-one".