1313121322311 has 16 divisors (see below), whose sum is σ = 1778041445760. Its totient is φ = 861904551200.

The previous prime is 1313121322277. The next prime is 1313121322319. The reversal of 1313121322311 is 1132231213131.

It is a cyclic number.

It is not a de Polignac number, because 1313121322311 - 2²⁵ = 1313087767879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313121322319) 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, 12051165 + ... + 12159638.

It is an arithmetic number, because the mean of its divisors is an integer number (111127590360).

Almost surely, 2^{1313121322311} is an apocalyptic number.

1313121322311 is a deficient number, since it is larger than the sum of its proper divisors (464920123449).

1313121322311 is a wasteful number, since it uses less digits than its factorization.

1313121322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24211086.

The product of its digits is 648, while the sum is 24.

Adding to 1313121322311 its reverse (1132231213131), we get a palindrome (2445352535442).

The spelling of 1313121322311 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, three hundred twenty-two thousand, three hundred eleven".