2013321402 has 24 divisors (see below), whose sum is σ = 4375388160. Its totient is φ = 669077640.

The previous prime is 2013321341. The next prime is 2013321403. The reversal of 2013321402 is 2041233102.

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

It is not an unprimeable number, because it can be changed into a prime (2013321403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163002 + ... + 174917.

It is an arithmetic number, because the mean of its divisors is an integer number (182307840).

Almost surely, 2^2013321402 is an apocalyptic number.

2013321402 is an abundant number, since it is smaller than the sum of its proper divisors (2362066758).

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

2013321402 is a wasteful number, since it uses less digits than its factorization.

2013321402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338258 (or 338255 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2013321402 is about 44870.0501671215. The cubic root of 2013321402 is about 1262.7121812055.

Adding to 2013321402 its reverse (2041233102), we get a palindrome (4054554504).

The spelling of 2013321402 in words is "two billion, thirteen million, three hundred twenty-one thousand, four hundred two".