1313321111297 has 4 divisors (see below), whose sum is σ = 1414345812180. Its totient is φ = 1212296410416.

The previous prime is 1313321111287. The next prime is 1313321111321. The reversal of 1313321111297 is 7921111233131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 423093007936 + 890228103361 = 650456^2 + 943519^2 .

It is not a de Polignac number, because 1313321111297 - 2¹⁴ = 1313321094913 is a prime.

It is a super-3 number, since 3×1313321111297³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313321111287) 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, 50512350422 + ... + 50512350447.

It is an arithmetic number, because the mean of its divisors is an integer number (353586453045).

Almost surely, 2^{1313321111297} is an apocalyptic number.

It is an amenable number.

1313321111297 is a deficient number, since it is larger than the sum of its proper divisors (101024700883).

1313321111297 is a wasteful number, since it uses less digits than its factorization.

1313321111297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101024700882.

The product of its digits is 6804, while the sum is 35.

The spelling of 1313321111297 in words is "one trillion, three hundred thirteen billion, three hundred twenty-one million, one hundred eleven thousand, two hundred ninety-seven".