13312220020131 has 4 divisors (see below), whose sum is σ = 17749626693512. Its totient is φ = 8874813346752.

The previous prime is 13312220020117. The next prime is 13312220020133. The reversal of 13312220020131 is 13102002221331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13312220020131 - 2¹³ = 13312220011939 is a prime.

It is a super-2 number, since 2×13312220020131² (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 = 13312220020098 and 13312220020107.

It is not an unprimeable number, because it can be changed into a prime (13312220020133) 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, 2218703336686 + ... + 2218703336691.

It is an arithmetic number, because the mean of its divisors is an integer number (4437406673378).

Almost surely, 2^{13312220020131} is an apocalyptic number.

13312220020131 is a deficient number, since it is larger than the sum of its proper divisors (4437406673381).

13312220020131 is an equidigital number, since it uses as much as digits as its factorization.

13312220020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437406673380.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13312220020131 its reverse (13102002221331), we get a palindrome (26414222241462).

The spelling of 13312220020131 in words is "thirteen trillion, three hundred twelve billion, two hundred twenty million, twenty thousand, one hundred thirty-one".