1311122010331 has 8 divisors (see below), whose sum is σ = 1563574074624. Its totient is φ = 1074957176040.

The previous prime is 1311122010323. The next prime is 1311122010391. The reversal of 1311122010331 is 1330102211131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311122010331 - 2³ = 1311122010323 is a prime.

It is a super-2 number, since 2×1311122010331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311122010299 and 1311122010308.

It is not an unprimeable number, because it can be changed into a prime (1311122010391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4071807325 + ... + 4071807646.

It is an arithmetic number, because the mean of its divisors is an integer number (195446759328).

Almost surely, 2^{1311122010331} is an apocalyptic number.

1311122010331 is a deficient number, since it is larger than the sum of its proper divisors (252452064293).

1311122010331 is an equidigital number, since it uses as much as digits as its factorization.

1311122010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143615001.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1311122010331 its reverse (1330102211131), we get a palindrome (2641224221462).

The spelling of 1311122010331 in words is "one trillion, three hundred eleven billion, one hundred twenty-two million, ten thousand, three hundred thirty-one".