13313020031 has 12 divisors (see below), whose sum is σ = 13643229600. Its totient is φ = 12990630240.

The previous prime is 13313020009. The next prime is 13313020037. The reversal of 13313020031 is 13002031331.

It is a de Polignac number, because none of the positive numbers 2^k-13313020031 is a prime.

It is a super-3 number, since 3×13313020031³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13313019991 and 13313020009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313020037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2273195 + ... + 2279043.

It is an arithmetic number, because the mean of its divisors is an integer number (1136935800).

Almost surely, 2^13313020031 is an apocalyptic number.

13313020031 is a deficient number, since it is larger than the sum of its proper divisors (330209569).

13313020031 is an equidigital number, since it uses as much as digits as its factorization.

13313020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166 (or 7123 counting only the distinct ones).

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

Adding to 13313020031 its reverse (13002031331), we get a palindrome (26315051362).

The spelling of 13313020031 in words is "thirteen billion, three hundred thirteen million, twenty thousand, thirty-one".