1311001320308 has 48 divisors (see below), whose sum is σ = 2462790637440. Its totient is φ = 608415058944.

The previous prime is 1311001320287. The next prime is 1311001320323. The reversal of 1311001320308 is 8030231001131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71090153 + ... + 71108591.

It is an arithmetic number, because the mean of its divisors is an integer number (51308138280).

Almost surely, 2^{1311001320308} is an apocalyptic number.

It is an amenable number.

1311001320308 is a deficient number, since it is larger than the sum of its proper divisors (1151789317132).

1311001320308 is a wasteful number, since it uses less digits than its factorization.

1311001320308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32856 (or 32854 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1311001320308 its reverse (8030231001131), we get a palindrome (9341232321439).

The spelling of 1311001320308 in words is "one trillion, three hundred eleven billion, one million, three hundred twenty thousand, three hundred eight".