1331022501133 has 32 divisors (see below), whose sum is σ = 1456145308800. Its totient is φ = 1209323437056.

The previous prime is 1331022501113. The next prime is 1331022501143. The reversal of 1331022501133 is 3311052201331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331022501133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331022501098 and 1331022501107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331022501113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218591553 + ... + 218597641.

It is an arithmetic number, because the mean of its divisors is an integer number (45504540900).

Almost surely, 2^{1331022501133} is an apocalyptic number.

1331022501133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1331022501133 is a deficient number, since it is larger than the sum of its proper divisors (125122807667).

1331022501133 is a wasteful number, since it uses less digits than its factorization.

1331022501133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 1331022501133 its reverse (3311052201331), we get a palindrome (4642074702464).

The spelling of 1331022501133 in words is "one trillion, three hundred thirty-one billion, twenty-two million, five hundred one thousand, one hundred thirty-three".