1321132133333 has 4 divisors (see below), whose sum is σ = 1321134488448. Its totient is φ = 1321129778220.

The previous prime is 1321132133329. The next prime is 1321132133359. The reversal of 1321132133333 is 3333312311231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1321132133333 - 2² = 1321132133329 is a prime.

It is a super-3 number, since 3×1321132133333³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321132133296 and 1321132133305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321132135333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204860 + ... + 1638362.

It is an arithmetic number, because the mean of its divisors is an integer number (330283622112).

Almost surely, 2^{1321132133333} is an apocalyptic number.

It is an amenable number.

1321132133333 is a deficient number, since it is larger than the sum of its proper divisors (2355115).

1321132133333 is an equidigital number, since it uses as much as digits as its factorization.

1321132133333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355114.

The product of its digits is 8748, while the sum is 29.

Adding to 1321132133333 its reverse (3333312311231), we get a palindrome (4654444444564).

The spelling of 1321132133333 in words is "one trillion, three hundred twenty-one billion, one hundred thirty-two million, one hundred thirty-three thousand, three hundred thirty-three".