220303323131 has 4 divisors (see below), whose sum is σ = 220736139600. Its totient is φ = 219870506664.

The previous prime is 220303323113. The next prime is 220303323139. The reversal of 220303323131 is 131323303022.

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 220303323131 - 2¹⁴ = 220303306747 is a prime.

It is a super-2 number, since 2×220303323131² (a number of 23 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 = 220303323097 and 220303323106.

It is not an unprimeable number, because it can be changed into a prime (220303323139) 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, 216407471 + ... + 216408488.

It is an arithmetic number, because the mean of its divisors is an integer number (55184034900).

Almost surely, 2^220303323131 is an apocalyptic number.

220303323131 is a deficient number, since it is larger than the sum of its proper divisors (432816469).

220303323131 is an equidigital number, since it uses as much as digits as its factorization.

220303323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432816468.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 220303323131 its reverse (131323303022), we get a palindrome (351626626153).

The spelling of 220303323131 in words is "two hundred twenty billion, three hundred three million, three hundred twenty-three thousand, one hundred thirty-one".