1311032330311 has 4 divisors (see below), whose sum is σ = 1430217087624. Its totient is φ = 1191847573000.

The previous prime is 1311032330291. The next prime is 1311032330359. The reversal of 1311032330311 is 1130332301131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1311032330311 - 2⁷ = 1311032330183 is a prime.

It is a super-2 number, since 2×1311032330311² (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 (1311032330371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59592378640 + ... + 59592378661.

It is an arithmetic number, because the mean of its divisors is an integer number (357554271906).

Almost surely, 2^{1311032330311} is an apocalyptic number.

1311032330311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1311032330311 is a deficient number, since it is larger than the sum of its proper divisors (119184757313).

1311032330311 is a wasteful number, since it uses less digits than its factorization.

1311032330311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119184757312.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1311032330311 its reverse (1130332301131), we get a palindrome (2441364631442).

The spelling of 1311032330311 in words is "one trillion, three hundred eleven billion, thirty-two million, three hundred thirty thousand, three hundred eleven".