11323211313031 has 4 divisors (see below), whose sum is σ = 11330257494672. Its totient is φ = 11316165131392.

The previous prime is 11323211313013. The next prime is 11323211313061. The reversal of 11323211313031 is 13031311232311.

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 11323211313031 - 2²⁷ = 11323077095303 is a prime.

It is a super-2 number, since 2×11323211313031² (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 = 11323211312987 and 11323211313005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323211313061) 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, 3523088410 + ... + 3523091623.

It is an arithmetic number, because the mean of its divisors is an integer number (2832564373668).

Almost surely, 2^{11323211313031} is an apocalyptic number.

11323211313031 is a deficient number, since it is larger than the sum of its proper divisors (7046181641).

11323211313031 is an equidigital number, since it uses as much as digits as its factorization.

11323211313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046181640.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11323211313031 its reverse (13031311232311), we get a palindrome (24354522545342).

The spelling of 11323211313031 in words is "eleven trillion, three hundred twenty-three billion, two hundred eleven million, three hundred thirteen thousand, thirty-one".