31132001022 has 8 divisors (see below), whose sum is σ = 62264002056. Its totient is φ = 10377333672.

The previous prime is 31132000993. The next prime is 31132001023. The reversal of 31132001022 is 22010023113.

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

31132001022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31132000992 and 31132001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132001023) 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 3 ways as a sum of consecutive naturals, for example, 2594333413 + ... + 2594333424.

It is an arithmetic number, because the mean of its divisors is an integer number (7783000257).

Almost surely, 2^31132001022 is an apocalyptic number.

31132001022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31132001022 is a wasteful number, since it uses less digits than its factorization.

31132001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188666842.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31132001022 its reverse (22010023113), we get a palindrome (53142024135).

The spelling of 31132001022 in words is "thirty-one billion, one hundred thirty-two million, one thousand, twenty-two".