13226055131 has 4 divisors (see below), whose sum is σ = 14004058392. Its totient is φ = 12448051872.

The previous prime is 13226055121. The next prime is 13226055137. The reversal of 13226055131 is 13155062231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13155062231 = 1487 ⋅8846713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13226055131 is a prime.

It is a super-2 number, since 2×13226055131² (a number of 21 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 = 13226055094 and 13226055103.

It is not an unprimeable number, because it can be changed into a prime (13226055137) 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, 389001605 + ... + 389001638.

It is an arithmetic number, because the mean of its divisors is an integer number (3501014598).

Almost surely, 2^13226055131 is an apocalyptic number.

13226055131 is a deficient number, since it is larger than the sum of its proper divisors (778003261).

13226055131 is an equidigital number, since it uses as much as digits as its factorization.

13226055131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778003260.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 13226055131 in words is "thirteen billion, two hundred twenty-six million, fifty-five thousand, one hundred thirty-one".