13311203120 has 40 divisors (see below), whose sum is σ = 31296300480. Its totient is φ = 5264652800.

The previous prime is 13311203093. The next prime is 13311203137. The reversal of 13311203120 is 2130211331.

It is a tau number, because it is divible by the number of its divisors (40).

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, 927656 + ... + 941895.

It is an arithmetic number, because the mean of its divisors is an integer number (782407512).

Almost surely, 2^13311203120 is an apocalyptic number.

13311203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311203120 is an abundant number, since it is smaller than the sum of its proper divisors (17985097360).

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

13311203120 is a wasteful number, since it uses less digits than its factorization.

13311203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869653 (or 1869647 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13311203120 its reverse (2130211331), we get a palindrome (15441414451).

The spelling of 13311203120 in words is "thirteen billion, three hundred eleven million, two hundred three thousand, one hundred twenty".