2013131211220 has 48 divisors (see below), whose sum is σ = 4261517568000. Its totient is φ = 798789285504.

The previous prime is 2013131211181. The next prime is 2013131211239. The reversal of 2013131211220 is 221121313102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17486406 + ... + 17601154.

It is an arithmetic number, because the mean of its divisors is an integer number (88781616000).

Almost surely, 2^{2013131211220} is an apocalyptic number.

2013131211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013131211220 is an abundant number, since it is smaller than the sum of its proper divisors (2248386356780).

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

2013131211220 is a wasteful number, since it uses less digits than its factorization.

2013131211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121792 (or 121790 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2013131211220 its reverse (221121313102), we get a palindrome (2234252524322).

The spelling of 2013131211220 in words is "two trillion, thirteen billion, one hundred thirty-one million, two hundred eleven thousand, two hundred twenty".