11321312310031 has 8 divisors (see below), whose sum is σ = 11724019061184. Its totient is φ = 10925609154720.

The previous prime is 11321312310001. The next prime is 11321312310037. The reversal of 11321312310031 is 13001321312311.

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

It is a cyclic number.

It is not a de Polignac number, because 11321312310031 - 2⁷ = 11321312309903 is a prime.

It is a super-2 number, since 2×11321312310031² (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 = 11321312309984 and 11321312310011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321312310037) 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, 1750895671 + ... + 1750902136.

It is an arithmetic number, because the mean of its divisors is an integer number (1465502382648).

Almost surely, 2^{11321312310031} is an apocalyptic number.

11321312310031 is a deficient number, since it is larger than the sum of its proper divisors (402706751153).

11321312310031 is an equidigital number, since it uses as much as digits as its factorization.

11321312310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501797921.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11321312310031 its reverse (13001321312311), we get a palindrome (24322633622342).

The spelling of 11321312310031 in words is "eleven trillion, three hundred twenty-one billion, three hundred twelve million, three hundred ten thousand, thirty-one".