1331443352133 has 6 divisors (see below), whose sum is σ = 1923195953094. Its totient is φ = 887628901416.

The previous prime is 1331443352123. The next prime is 1331443352149. The reversal of 1331443352133 is 3312533441331.

1331443352133 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 4 + 433 + 5 + 213 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 949052001249 + 382391350884 = 974193^2 + 618378^2 .

It is not a de Polignac number, because 1331443352133 - 2¹⁸ = 1331443089989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331443352123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73969075110 + ... + 73969075127.

It is an arithmetic number, because the mean of its divisors is an integer number (320532658849).

Almost surely, 2^{1331443352133} is an apocalyptic number.

It is an amenable number.

1331443352133 is a deficient number, since it is larger than the sum of its proper divisors (591752600961).

1331443352133 is a wasteful number, since it uses less digits than its factorization.

1331443352133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147938150243 (or 147938150240 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

Adding to 1331443352133 its reverse (3312533441331), we get a palindrome (4643976793464).

The spelling of 1331443352133 in words is "one trillion, three hundred thirty-one billion, four hundred forty-three million, three hundred fifty-two thousand, one hundred thirty-three".