13320002031 has 32 divisors (see below), whose sum is σ = 20390684160. Its totient is φ = 7576436736.

The previous prime is 13320002023. The next prime is 13320002051. The reversal of 13320002031 is 13020002331.

It is not a de Polignac number, because 13320002031 - 2³ = 13320002023 is a prime.

It is a super-2 number, since 2×13320002031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13320002031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320002011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5602515 + ... + 5604891.

It is an arithmetic number, because the mean of its divisors is an integer number (637208880).

Almost surely, 2^13320002031 is an apocalyptic number.

13320002031 is a deficient number, since it is larger than the sum of its proper divisors (7070682129).

13320002031 is a wasteful number, since it uses less digits than its factorization.

13320002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13320002031 its reverse (13020002331), we get a palindrome (26340004362).

The spelling of 13320002031 in words is "thirteen billion, three hundred twenty million, two thousand, thirty-one".