1311120333313 has 16 divisors (see below), whose sum is σ = 1601393514624. Its totient is φ = 1047825365760.

The previous prime is 1311120333311. The next prime is 1311120333317. The reversal of 1311120333313 is 3133330211131.

It is a cyclic number.

It is not a de Polignac number, because 1311120333313 - 2¹ = 1311120333311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311120333311) 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, 51472398 + ... + 51497863.

It is an arithmetic number, because the mean of its divisors is an integer number (100087094664).

Almost surely, 2^{1311120333313} is an apocalyptic number.

It is an amenable number.

1311120333313 is a deficient number, since it is larger than the sum of its proper divisors (290273181311).

1311120333313 is a wasteful number, since it uses less digits than its factorization.

1311120333313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102970392.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1311120333313 its reverse (3133330211131), we get a palindrome (4444450544444).

The spelling of 1311120333313 in words is "one trillion, three hundred eleven billion, one hundred twenty million, three hundred thirty-three thousand, three hundred thirteen".