31013202133 has 8 divisors (see below), whose sum is σ = 31048383168. Its totient is φ = 30978044064.

The previous prime is 31013202113. The next prime is 31013202149. The reversal of 31013202133 is 33120231013.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31013202133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31013202133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013202113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4307985 + ... + 4315177.

It is an arithmetic number, because the mean of its divisors is an integer number (3881047896).

Almost surely, 2^31013202133 is an apocalyptic number.

It is an amenable number.

31013202133 is a deficient number, since it is larger than the sum of its proper divisors (35181035).

31013202133 is a wasteful number, since it uses less digits than its factorization.

31013202133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11483.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31013202133 its reverse (33120231013), we get a palindrome (64133433146).

The spelling of 31013202133 in words is "thirty-one billion, thirteen million, two hundred two thousand, one hundred thirty-three".