13020331302 has 96 divisors (see below), whose sum is σ = 31850717184. Its totient is φ = 3809332800.

The previous prime is 13020331213. The next prime is 13020331307. The reversal of 13020331302 is 20313302031.

13020331302 is a `hidden beast` number, since 1 + 30 + 2 + 0 + 331 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020331307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 952923 + ... + 966489.

It is an arithmetic number, because the mean of its divisors is an integer number (331778304).

Almost surely, 2^13020331302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13020331302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15925358592).

13020331302 is an abundant number, since it is smaller than the sum of its proper divisors (18830385882).

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

13020331302 is a wasteful number, since it uses less digits than its factorization.

13020331302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13754 (or 13751 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13020331302 its reverse (20313302031), we get a palindrome (33333633333).

The spelling of 13020331302 in words is "thirteen billion, twenty million, three hundred thirty-one thousand, three hundred two".