31204133133 has 8 divisors (see below), whose sum is σ = 42132163200. Its totient is φ = 20539429248.

The previous prime is 31204133089. The next prime is 31204133153. The reversal of 31204133133 is 33133140213.

It is a happy number.

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

It is not a de Polignac number, because 31204133133 - 2²² = 31199938829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31204133153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65831268 + ... + 65831741.

It is an arithmetic number, because the mean of its divisors is an integer number (5266520400).

Almost surely, 2^31204133133 is an apocalyptic number.

It is an amenable number.

31204133133 is a deficient number, since it is larger than the sum of its proper divisors (10928030067).

31204133133 is a wasteful number, since it uses less digits than its factorization.

31204133133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131663091.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31204133133 its reverse (33133140213), we get a palindrome (64337273346).

The spelling of 31204133133 in words is "thirty-one billion, two hundred four million, one hundred thirty-three thousand, one hundred thirty-three".