1013321003131 has 2 divisors, whose sum is σ = 1013321003132. Its totient is φ = 1013321003130.

The previous prime is 1013321003113. The next prime is 1013321003197. The reversal of 1013321003131 is 1313001233101.

Together with previous prime (1013321003113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013321003131 - 2⁹ = 1013321002619 is a prime.

It is a super-2 number, since 2×1013321003131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013321003099 and 1013321003108.

It is not a weakly prime, because it can be changed into another prime (1013321003231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506660501565 + 506660501566.

It is an arithmetic number, because the mean of its divisors is an integer number (506660501566).

Almost surely, 2^{1013321003131} is an apocalyptic number.

1013321003131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013321003131 is an equidigital number, since it uses as much as digits as its factorization.

1013321003131 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1013321003131 its reverse (1313001233101), we get a palindrome (2326322236232).

The spelling of 1013321003131 in words is "one trillion, thirteen billion, three hundred twenty-one million, three thousand, one hundred thirty-one".