11313131012020 has 24 divisors (see below), whose sum is σ = 23822309677824. Its totient is φ = 4512922013856.

The previous prime is 11313131011961. The next prime is 11313131012033. The reversal of 11313131012020 is 2021013131311.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 770641912 + ... + 770656591.

It is an arithmetic number, because the mean of its divisors is an integer number (992596236576).

Almost surely, 2^{11313131012020} is an apocalyptic number.

11313131012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11313131012020 is an abundant number, since it is smaller than the sum of its proper divisors (12509178665804).

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

11313131012020 is a wasteful number, since it uses less digits than its factorization.

11313131012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541298879 (or 1541298877 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11313131012020 its reverse (2021013131311), we get a palindrome (13334144143331).

The spelling of 11313131012020 in words is "eleven trillion, three hundred thirteen billion, one hundred thirty-one million, twelve thousand, twenty".