1331430333233 has 36 divisors (see below), whose sum is σ = 1833361900020. Its totient is φ = 957672112320.

The previous prime is 1331430333227. The next prime is 1331430333241. The reversal of 1331430333233 is 3323330341331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 853206910864 + 478223422369 = 923692^2 + 691537^2 .

It is not a de Polignac number, because 1331430333233 - 2¹⁰ = 1331430332209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331430333233.

It is not an unprimeable number, because it can be changed into a prime (1331430333223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8559938 + ... + 8714091.

It is an arithmetic number, because the mean of its divisors is an integer number (50926719445).

Almost surely, 2^{1331430333233} is an apocalyptic number.

1331430333233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1331430333233 is a deficient number, since it is larger than the sum of its proper divisors (501931566787).

1331430333233 is a wasteful number, since it uses less digits than its factorization.

1331430333233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17274078 (or 17274060 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 32.

Adding to 1331430333233 its reverse (3323330341331), we get a palindrome (4654760674564).

The spelling of 1331430333233 in words is "one trillion, three hundred thirty-one billion, four hundred thirty million, three hundred thirty-three thousand, two hundred thirty-three".