31133002134 has 16 divisors (see below), whose sum is σ = 67055697072. Its totient is φ = 9579385248.

The previous prime is 31133002133. The next prime is 31133002141. The reversal of 31133002134 is 43120033113.

It is a self number, because there is not a number n which added to its sum of digits gives 31133002134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133002133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199570449 + ... + 199570604.

It is an arithmetic number, because the mean of its divisors is an integer number (4190981067).

Almost surely, 2^31133002134 is an apocalyptic number.

31133002134 is an abundant number, since it is smaller than the sum of its proper divisors (35922694938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31133002134 is a wasteful number, since it uses less digits than its factorization.

31133002134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399141071.

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

Adding to 31133002134 its reverse (43120033113), we get a palindrome (74253035247).

The spelling of 31133002134 in words is "thirty-one billion, one hundred thirty-three million, two thousand, one hundred thirty-four".