13021310003131 has 4 divisors (see below), whose sum is σ = 13120709316264. Its totient is φ = 12921910690000.

The previous prime is 13021310003077. The next prime is 13021310003173. The reversal of 13021310003131 is 13130001312031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13021310003131 - 2¹⁵ = 13021309970363 is a prime.

It is a super-2 number, since 2×13021310003131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021310003099 and 13021310003108.

It is not an unprimeable number, because it can be changed into a prime (13021310003431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49699656370 + ... + 49699656631.

It is an arithmetic number, because the mean of its divisors is an integer number (3280177329066).

Almost surely, 2^{13021310003131} is an apocalyptic number.

13021310003131 is a deficient number, since it is larger than the sum of its proper divisors (99399313133).

13021310003131 is an equidigital number, since it uses as much as digits as its factorization.

13021310003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99399313132.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13021310003131 its reverse (13130001312031), we get a palindrome (26151311315162).

The spelling of 13021310003131 in words is "thirteen trillion, twenty-one billion, three hundred ten million, three thousand, one hundred thirty-one".