31133002221102 has 16 divisors (see below), whose sum is σ = 62269642318032. Its totient is φ = 10377061094400.

The previous prime is 31133002221089. The next prime is 31133002221143. The reversal of 31133002221102 is 20112220033113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151466899 + ... + 151672302.

It is an arithmetic number, because the mean of its divisors is an integer number (3891852644877).

Almost surely, 2^{31133002221102} is an apocalyptic number.

31133002221102 is an abundant number, since it is smaller than the sum of its proper divisors (31136640096930).

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

31133002221102 is a wasteful number, since it uses less digits than its factorization.

31133002221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303156323.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31133002221102 its reverse (20112220033113), we get a palindrome (51245222254215).

The spelling of 31133002221102 in words is "thirty-one trillion, one hundred thirty-three billion, two million, two hundred twenty-one thousand, one hundred two".