11301312123031 has 12 divisors (see below), whose sum is σ = 13146714722808. Its totient is φ = 9686624971632.

The previous prime is 11301312122999. The next prime is 11301312123043. The reversal of 11301312123031 is 13032121310311.

It is not a de Polignac number, because 11301312123031 - 2⁵ = 11301312122999 is a prime.

It is a super-2 number, since 2×11301312123031² (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 = 11301312122993 and 11301312123011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301312123931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286501 + ... + 4762846.

It is an arithmetic number, because the mean of its divisors is an integer number (1095559560234).

Almost surely, 2^{11301312123031} is an apocalyptic number.

11301312123031 is a deficient number, since it is larger than the sum of its proper divisors (1845402599777).

11301312123031 is an equidigital number, since it uses as much as digits as its factorization.

11301312123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095038 (or 5095031 counting only the distinct ones).

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

Adding to 11301312123031 its reverse (13032121310311), we get a palindrome (24333433433342).

The spelling of 11301312123031 in words is "eleven trillion, three hundred one billion, three hundred twelve million, one hundred twenty-three thousand, thirty-one".