20220213303131 has 4 divisors (see below), whose sum is σ = 20222901096552. Its totient is φ = 20217525509712.

The previous prime is 20220213303127. The next prime is 20220213303209. The reversal of 20220213303131 is 13130331202202.

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 20220213303131 - 2² = 20220213303127 is a prime.

It is a super-2 number, since 2×20220213303131² (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 = 20220213303097 and 20220213303106.

It is not an unprimeable number, because it can be changed into a prime (20220213303931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343885426 + ... + 1343900471.

It is an arithmetic number, because the mean of its divisors is an integer number (5055725274138).

Almost surely, 2^{20220213303131} is an apocalyptic number.

20220213303131 is a deficient number, since it is larger than the sum of its proper divisors (2687793421).

20220213303131 is an equidigital number, since it uses as much as digits as its factorization.

20220213303131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687793420.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20220213303131 its reverse (13130331202202), we get a palindrome (33350544505333).

The spelling of 20220213303131 in words is "twenty trillion, two hundred twenty billion, two hundred thirteen million, three hundred three thousand, one hundred thirty-one".