13133431213 has 8 divisors (see below), whose sum is σ = 15190475328. Its totient is φ = 11121597024.

The previous prime is 13133431153. The next prime is 13133431253. The reversal of 13133431213 is 31213433131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13133431213 - 2²¹ = 13131334061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133431253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11301856 + ... + 11303017.

It is an arithmetic number, because the mean of its divisors is an integer number (1898809416).

Almost surely, 2^13133431213 is an apocalyptic number.

It is an amenable number.

13133431213 is a deficient number, since it is larger than the sum of its proper divisors (2057044115).

13133431213 is an equidigital number, since it uses as much as digits as its factorization.

13133431213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604963.

The product of its digits is 1944, while the sum is 25.

Adding to 13133431213 its reverse (31213433131), we get a palindrome (44346864344).

The spelling of 13133431213 in words is "thirteen billion, one hundred thirty-three million, four hundred thirty-one thousand, two hundred thirteen".