1311323313350 has 24 divisors (see below), whose sum is σ = 2439238090080. Its totient is φ = 524491319520.

The previous prime is 1311323313319. The next prime is 1311323313359. The reversal of 1311323313350 is 533133231131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311323313359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248045 + ... + 1638344.

It is an arithmetic number, because the mean of its divisors is an integer number (101634920420).

Almost surely, 2^{1311323313350} is an apocalyptic number.

1311323313350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311323313350 is a deficient number, since it is larger than the sum of its proper divisors (1127914776730).

1311323313350 is a wasteful number, since it uses less digits than its factorization.

1311323313350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900304 (or 1900299 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 29.

Adding to 1311323313350 its reverse (533133231131), we get a palindrome (1844456544481).

The spelling of 1311323313350 in words is "one trillion, three hundred eleven billion, three hundred twenty-three million, three hundred thirteen thousand, three hundred fifty".