13353131020 has 24 divisors (see below), whose sum is σ = 28356652800. Its totient is φ = 5281237632.

The previous prime is 13353130909. The next prime is 13353131041. The reversal of 13353131020 is 2013135331.

It is a happy number.

It is a super-2 number, since 2×13353131020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13353130982 and 13353131000.

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, 3749100 + ... + 3752659.

It is an arithmetic number, because the mean of its divisors is an integer number (1181527200).

Almost surely, 2^13353131020 is an apocalyptic number.

13353131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13353131020 is an abundant number, since it is smaller than the sum of its proper divisors (15003521780).

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

13353131020 is a wasteful number, since it uses less digits than its factorization.

13353131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501857 (or 7501855 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 13353131020 its reverse (2013135331), we get a palindrome (15366266351).

The spelling of 13353131020 in words is "thirteen billion, three hundred fifty-three million, one hundred thirty-one thousand, twenty".