1313021110311 has 16 divisors (see below), whose sum is σ = 1945234731520. Its totient is φ = 875339184600.

The previous prime is 1313021110307. The next prime is 1313021110321. The reversal of 1313021110311 is 1130111203131.

1313021110311 is a `hidden beast` number, since 1 + 3 + 130 + 211 + 10 + 311 = 666.

It is not a de Polignac number, because 1313021110311 - 2² = 1313021110307 is a prime.

It is a super-2 number, since 2×1313021110311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313021110321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4417536 + ... + 4705386.

It is an arithmetic number, because the mean of its divisors is an integer number (121577170720).

Almost surely, 2^{1313021110311} is an apocalyptic number.

1313021110311 is a deficient number, since it is larger than the sum of its proper divisors (632213621209).

1313021110311 is a wasteful number, since it uses less digits than its factorization.

1313021110311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456803 (or 456797 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1313021110311 its reverse (1130111203131), we get a palindrome (2443132313442).

The spelling of 1313021110311 in words is "one trillion, three hundred thirteen billion, twenty-one million, one hundred ten thousand, three hundred eleven".