1313030321031 has 16 divisors (see below), whose sum is σ = 2056774769280. Its totient is φ = 734562417120.

The previous prime is 1313030320993. The next prime is 1313030321041. The reversal of 1313030321031 is 1301230303131.

It is not a de Polignac number, because 1313030321031 - 2¹¹ = 1313030318983 is a prime.

It is a super-2 number, since 2×1313030321031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313030320989 and 1313030321007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313030321041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530337941 + ... + 1530338798.

It is an arithmetic number, because the mean of its divisors is an integer number (128548423080).

Almost surely, 2^{1313030321031} is an apocalyptic number.

1313030321031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1313030321031 is a deficient number, since it is larger than the sum of its proper divisors (743744448249).

1313030321031 is a wasteful number, since it uses less digits than its factorization.

1313030321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060676766.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1313030321031 its reverse (1301230303131), we get a palindrome (2614260624162).

The spelling of 1313030321031 in words is "one trillion, three hundred thirteen billion, thirty million, three hundred twenty-one thousand, thirty-one".