13112405222131 has 8 divisors (see below), whose sum is σ = 13885128162864. Its totient is φ = 12339838391040.

The previous prime is 13112405222117. The next prime is 13112405222167. The reversal of 13112405222131 is 13122250421131.

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 13112405222131 - 2¹³ = 13112405213939 is a prime.

It is a super-2 number, since 2×13112405222131² (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 13112405222131.

It is not an unprimeable number, because it can be changed into a prime (13112405222101) 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, 38854450 + ... + 39190471.

It is an arithmetic number, because the mean of its divisors is an integer number (1735641020358).

Almost surely, 2^{13112405222131} is an apocalyptic number.

13112405222131 is a deficient number, since it is larger than the sum of its proper divisors (772722940733).

13112405222131 is an equidigital number, since it uses as much as digits as its factorization.

13112405222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78054821.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 13112405222131 its reverse (13122250421131), we get a palindrome (26234655643262).

The spelling of 13112405222131 in words is "thirteen trillion, one hundred twelve billion, four hundred five million, two hundred twenty-two thousand, one hundred thirty-one".