13321301031 has 48 divisors (see below), whose sum is σ = 20960222400. Its totient is φ = 8118641664.

The previous prime is 13321301027. The next prime is 13321301053. The reversal of 13321301031 is 13010312331.

It is a happy number.

13321301031 is a `hidden beast` number, since 1 + 332 + 1 + 301 + 0 + 31 = 666.

It is not a de Polignac number, because 13321301031 - 2² = 13321301027 is a prime.

It is a super-2 number, since 2×13321301031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13321300995 and 13321301013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321301011) 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, 4011990 + ... + 4015308.

It is an arithmetic number, because the mean of its divisors is an integer number (436671300).

Almost surely, 2^13321301031 is an apocalyptic number.

13321301031 is a deficient number, since it is larger than the sum of its proper divisors (7638921369).

13321301031 is a wasteful number, since it uses less digits than its factorization.

13321301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088 (or 4085 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13321301031 its reverse (13010312331), we get a palindrome (26331613362).

The spelling of 13321301031 in words is "thirteen billion, three hundred twenty-one million, three hundred one thousand, thirty-one".