1313331201131 has 4 divisors (see below), whose sum is σ = 1313336653200. Its totient is φ = 1313325749064.

The previous prime is 1313331201097. The next prime is 1313331201137. The reversal of 1313331201131 is 1311021333131.

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 1313331201131 - 2¹⁸ = 1313330938987 is a prime.

It is a super-2 number, since 2×1313331201131² (a number of 25 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 = 1313331201097 and 1313331201106.

It is not an unprimeable number, because it can be changed into a prime (1313331201137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2347151 + ... + 2852328.

It is an arithmetic number, because the mean of its divisors is an integer number (328334163300).

Almost surely, 2^{1313331201131} is an apocalyptic number.

1313331201131 is a deficient number, since it is larger than the sum of its proper divisors (5452069).

1313331201131 is an equidigital number, since it uses as much as digits as its factorization.

1313331201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452068.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1313331201131 its reverse (1311021333131), we get a palindrome (2624352534262).

The spelling of 1313331201131 in words is "one trillion, three hundred thirteen billion, three hundred thirty-one million, two hundred one thousand, one hundred thirty-one".