1533132120343 has 4 divisors (see below), whose sum is σ = 1533142991728. Its totient is φ = 1533121248960.

The previous prime is 1533132120323. The next prime is 1533132120431. The reversal of 1533132120343 is 3430212313351.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1533132120343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1533132120323) 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, 5221338 + ... + 5507143.

It is an arithmetic number, because the mean of its divisors is an integer number (383285747932).

Almost surely, 2^{1533132120343} is an apocalyptic number.

1533132120343 is a deficient number, since it is larger than the sum of its proper divisors (10871385).

1533132120343 is a wasteful number, since it uses less digits than its factorization.

1533132120343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10871384.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 1533132120343 its reverse (3430212313351), we get a palindrome (4963344433694).

The spelling of 1533132120343 in words is "one trillion, five hundred thirty-three billion, one hundred thirty-two million, one hundred twenty thousand, three hundred forty-three".