31133102022 has 96 divisors (see below), whose sum is σ = 75237327360. Its totient is φ = 9223191360.

The previous prime is 31133102017. The next prime is 31133102071. The reversal of 31133102022 is 22020133113.

31133102022 is a `hidden beast` number, since 311 + 3 + 310 + 20 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31133101986 and 31133102004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13576308 + ... + 13578600.

It is an arithmetic number, because the mean of its divisors is an integer number (783722160).

Almost surely, 2^31133102022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31133102022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37618663680).

31133102022 is an abundant number, since it is smaller than the sum of its proper divisors (44104225338).

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

31133102022 is a wasteful number, since it uses less digits than its factorization.

31133102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818 (or 3815 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31133102022 its reverse (22020133113), we get a palindrome (53153235135).

The spelling of 31133102022 in words is "thirty-one billion, one hundred thirty-three million, one hundred two thousand, twenty-two".