1313211331201 has 12 divisors (see below), whose sum is σ = 1666487107440. Its totient is φ = 1023281556360.

The previous prime is 1313211331199. The next prime is 1313211331213. The reversal of 1313211331201 is 1021331123131.

It is not a de Polignac number, because 1313211331201 - 2¹ = 1313211331199 is a prime.

It is a super-2 number, since 2×1313211331201² (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 (1313211331261) 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 11 ways as a sum of consecutive naturals, for example, 1218191791 + ... + 1218192868.

It is an arithmetic number, because the mean of its divisors is an integer number (138873925620).

Almost surely, 2^{1313211331201} is an apocalyptic number.

1313211331201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1313211331201 is a deficient number, since it is larger than the sum of its proper divisors (353275776239).

1313211331201 is a wasteful number, since it uses less digits than its factorization.

1313211331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436384684 (or 2436384677 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1313211331201 its reverse (1021331123131), we get a palindrome (2334542454332).

The spelling of 1313211331201 in words is "one trillion, three hundred thirteen billion, two hundred eleven million, three hundred thirty-one thousand, two hundred one".