13220301222031 has 4 divisors (see below), whose sum is σ = 13387646807200. Its totient is φ = 13052955636864.

The previous prime is 13220301221921. The next prime is 13220301222043. The reversal of 13220301222031 is 13022210302231.

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 13220301222031 - 2¹⁷ = 13220301090959 is a prime.

It is a super-2 number, since 2×13220301222031² (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 = 13220301221993 and 13220301222011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220301252031) 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, 83672792466 + ... + 83672792623.

It is an arithmetic number, because the mean of its divisors is an integer number (3346911701800).

Almost surely, 2^{13220301222031} is an apocalyptic number.

13220301222031 is a deficient number, since it is larger than the sum of its proper divisors (167345585169).

13220301222031 is an equidigital number, since it uses as much as digits as its factorization.

13220301222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167345585168.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13220301222031 its reverse (13022210302231), we get a palindrome (26242511524262).

The spelling of 13220301222031 in words is "thirteen trillion, two hundred twenty billion, three hundred one million, two hundred twenty-two thousand, thirty-one".