1331242033311 has 56 divisors (see below), whose sum is σ = 2002722752064. Its totient is φ = 884487885120.

The previous prime is 1331242033243. The next prime is 1331242033321. The reversal of 1331242033311 is 1133302421331.

1331242033311 is a `hidden beast` number, since 1 + 3 + 3 + 124 + 203 + 331 + 1 = 666.

It is not a de Polignac number, because 1331242033311 - 2¹¹ = 1331242031263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331242033321) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 456372225 + ... + 456375141.

Almost surely, 2^{1331242033311} is an apocalyptic number.

1331242033311 is a deficient number, since it is larger than the sum of its proper divisors (671480718753).

1331242033311 is an equidigital number, since it uses as much as digits as its factorization.

1331242033311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843 (or 4828 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 1331242033311 its reverse (1133302421331), we get a palindrome (2464544454642).

The spelling of 1331242033311 in words is "one trillion, three hundred thirty-one billion, two hundred forty-two million, thirty-three thousand, three hundred eleven".