1533231130013 has 12 divisors (see below), whose sum is σ = 1695626316384. Its totient is φ = 1385295258600.

The previous prime is 1533231130003. The next prime is 1533231130033. The reversal of 1533231130013 is 3100311323351.

It is not a de Polignac number, because 1533231130013 - 2¹² = 1533231125917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1533231130003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38849393 + ... + 38888838.

It is an arithmetic number, because the mean of its divisors is an integer number (141302193032).

Almost surely, 2^{1533231130013} is an apocalyptic number.

It is an amenable number.

1533231130013 is a deficient number, since it is larger than the sum of its proper divisors (162395186371).

1533231130013 is a wasteful number, since it uses less digits than its factorization.

1533231130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77738416 (or 77738405 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 26.

Adding to 1533231130013 its reverse (3100311323351), we get a palindrome (4633542453364).

The spelling of 1533231130013 in words is "one trillion, five hundred thirty-three billion, two hundred thirty-one million, one hundred thirty thousand, thirteen".