33020131013 has 16 divisors (see below), whose sum is σ = 33867694080. Its totient is φ = 32178905136.

The previous prime is 33020131007. The next prime is 33020131021. The reversal of 33020131013 is 31013102033.

It is a cyclic number.

It is not a de Polignac number, because 33020131013 - 2¹² = 33020126917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33020130982 and 33020131000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020131043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20858420 + ... + 20860002.

It is an arithmetic number, because the mean of its divisors is an integer number (2116730880).

Almost surely, 2^33020131013 is an apocalyptic number.

It is an amenable number.

33020131013 is a deficient number, since it is larger than the sum of its proper divisors (847563067).

33020131013 is a wasteful number, since it uses less digits than its factorization.

33020131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 33020131013 its reverse (31013102033), we get a palindrome (64033233046).

The spelling of 33020131013 in words is "thirty-three billion, twenty million, one hundred thirty-one thousand, thirteen".