13220002202131 has 4 divisors (see below), whose sum is σ = 13269147192000. Its totient is φ = 13170857212264.

The previous prime is 13220002202119. The next prime is 13220002202167. The reversal of 13220002202131 is 13120220002231.

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 13220002202131 - 2²¹ = 13220000104979 is a prime.

It is a super-2 number, since 2×13220002202131² (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 = 13220002202099 and 13220002202108.

It is not an unprimeable number, because it can be changed into a prime (13220002202431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24572494531 + ... + 24572495068.

It is an arithmetic number, because the mean of its divisors is an integer number (3317286798000).

Almost surely, 2^{13220002202131} is an apocalyptic number.

13220002202131 is a deficient number, since it is larger than the sum of its proper divisors (49144989869).

13220002202131 is an equidigital number, since it uses as much as digits as its factorization.

13220002202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49144989868.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13220002202131 its reverse (13120220002231), we get a palindrome (26340222204362).

The spelling of 13220002202131 in words is "thirteen trillion, two hundred twenty billion, two million, two hundred two thousand, one hundred thirty-one".