31020310022133 has 32 divisors (see below), whose sum is σ = 43893785561472. Its totient is φ = 19419109171200.

The previous prime is 31020310022111. The next prime is 31020310022159. The reversal of 31020310022133 is 33122001302013.

It is a de Polignac number, because none of the positive numbers 2^k-31020310022133 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 (31020310092133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201247653 + ... + 201401733.

It is an arithmetic number, because the mean of its divisors is an integer number (1371680798796).

Almost surely, 2^{31020310022133} is an apocalyptic number.

It is an amenable number.

31020310022133 is a deficient number, since it is larger than the sum of its proper divisors (12873475539339).

31020310022133 is a wasteful number, since it uses less digits than its factorization.

31020310022133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163125.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31020310022133 its reverse (33122001302013), we get a palindrome (64142311324146).

The spelling of 31020310022133 in words is "thirty-one trillion, twenty billion, three hundred ten million, twenty-two thousand, one hundred thirty-three".