31133310122 has 8 divisors (see below), whose sum is σ = 48310308900. Its totient is φ = 15029873824.

The previous prime is 31133310121. The next prime is 31133310127. The reversal of 31133310122 is 22101333113.

It can be written as a sum of positive squares in 2 ways, for example, as 27822573601 + 3310736521 = 166801^2 + 57539^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31133310094 and 31133310103.

It is not an unprimeable number, because it can be changed into a prime (31133310121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268390547 + ... + 268390662.

Almost surely, 2^31133310122 is an apocalyptic number.

31133310122 is a deficient number, since it is larger than the sum of its proper divisors (17176998778).

31133310122 is a wasteful number, since it uses less digits than its factorization.

31133310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536781240.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31133310122 its reverse (22101333113), we get a palindrome (53234643235).

The spelling of 31133310122 in words is "thirty-one billion, one hundred thirty-three million, three hundred ten thousand, one hundred twenty-two".