13111231301020 has 24 divisors (see below), whose sum is σ = 29153208423024. Its totient is φ = 4935992960256.

The previous prime is 13111231300967. The next prime is 13111231301039. The reversal of 13111231301020 is 2010313211131.

13111231301020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19281222162 + ... + 19281222841.

It is an arithmetic number, because the mean of its divisors is an integer number (1214717017626).

Almost surely, 2^{13111231301020} is an apocalyptic number.

13111231301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111231301020 is an abundant number, since it is smaller than the sum of its proper divisors (16041977122004).

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

13111231301020 is a wasteful number, since it uses less digits than its factorization.

13111231301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38562445029 (or 38562445027 counting only the distinct ones).

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

Adding to 13111231301020 its reverse (2010313211131), we get a palindrome (15121544512151).

The spelling of 13111231301020 in words is "thirteen trillion, one hundred eleven billion, two hundred thirty-one million, three hundred one thousand, twenty".