31133012422322 has 4 divisors (see below), whose sum is σ = 46699518633486. Its totient is φ = 15566506211160.

The previous prime is 31133012422321. The next prime is 31133012422361. The reversal of 31133012422322 is 22322421033113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28492098164401 + 2640914257921 = 5337799^2 + 1625089^2 .

It is not an unprimeable number, because it can be changed into a prime (31133012422321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7783253105579 + ... + 7783253105582.

Almost surely, 2^{31133012422322} is an apocalyptic number.

31133012422322 is a deficient number, since it is larger than the sum of its proper divisors (15566506211164).

31133012422322 is a wasteful number, since it uses less digits than its factorization.

31133012422322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15566506211163.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31133012422322 its reverse (22322421033113), we get a palindrome (53455433455435).

The spelling of 31133012422322 in words is "thirty-one trillion, one hundred thirty-three billion, twelve million, four hundred twenty-two thousand, three hundred twenty-two".