113131303303220 has 12 divisors (see below), whose sum is σ = 237575736936804. Its totient is φ = 45252521321280.

The previous prime is 113131303303091. The next prime is 113131303303231. The reversal of 113131303303220 is 22303303131311.

It can be written as a sum of positive squares in 2 ways, for example, as 28635277225636 + 84496026077584 = 5351194^2 + 9192172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113131303303220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828282582561 + ... + 2828282582600.

It is an arithmetic number, because the mean of its divisors is an integer number (19797978078067).

Almost surely, 2^{113131303303220} is an apocalyptic number.

113131303303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113131303303220 is an abundant number, since it is smaller than the sum of its proper divisors (124444433633584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113131303303220 is a wasteful number, since it uses less digits than its factorization.

113131303303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656565165170 (or 5656565165168 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 113131303303220 its reverse (22303303131311), we get a palindrome (135434606434531).

The spelling of 113131303303220 in words is "one hundred thirteen trillion, one hundred thirty-one billion, three hundred three million, three hundred three thousand, two hundred twenty".