1313301311131 has 4 divisors (see below), whose sum is σ = 1313307501912. Its totient is φ = 1313295120352.

The previous prime is 1313301311111. The next prime is 1313301311143. The reversal of 1313301311131 is 1311131033131.

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 1313301311131 - 2¹¹ = 1313301309083 is a prime.

It is a super-2 number, since 2×1313301311131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313301311111) 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, 2765461 + ... + 3205366.

It is an arithmetic number, because the mean of its divisors is an integer number (328326875478).

Almost surely, 2^{1313301311131} is an apocalyptic number.

1313301311131 is a deficient number, since it is larger than the sum of its proper divisors (6190781).

1313301311131 is an equidigital number, since it uses as much as digits as its factorization.

1313301311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190780.

The product of its (nonzero) digits is 243, while the sum is 22.

Adding to 1313301311131 its reverse (1311131033131), we get a palindrome (2624432344262).

The spelling of 1313301311131 in words is "one trillion, three hundred thirteen billion, three hundred one million, three hundred eleven thousand, one hundred thirty-one".