1213032331133 has 4 divisors (see below), whose sum is σ = 1386322664160. Its totient is φ = 1039741998108.

The previous prime is 1213032331099. The next prime is 1213032331141. The reversal of 1213032331133 is 3311332303121.

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 1213032331133 - 2⁸ = 1213032330877 is a prime.

It is a super-2 number, since 2×1213032331133² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213032331633) 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, 86645166503 + ... + 86645166516.

It is an arithmetic number, because the mean of its divisors is an integer number (346580666040).

Almost surely, 2^{1213032331133} is an apocalyptic number.

It is an amenable number.

1213032331133 is a deficient number, since it is larger than the sum of its proper divisors (173290333027).

1213032331133 is an equidigital number, since it uses as much as digits as its factorization.

1213032331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173290333026.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1213032331133 its reverse (3311332303121), we get a palindrome (4524364634254).

The spelling of 1213032331133 in words is "one trillion, two hundred thirteen billion, thirty-two million, three hundred thirty-one thousand, one hundred thirty-three".