31122101012330 has 32 divisors (see below), whose sum is σ = 56095268418000. Its totient is φ = 12432067343872.

The previous prime is 31122101012297. The next prime is 31122101012459. The reversal of 31122101012330 is 3321010122113.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10694476198081 + 20427624814249 = 3270241^2 + 4519693^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 158745806 + ... + 158941734.

Almost surely, 2^{31122101012330} is an apocalyptic number.

31122101012330 is a deficient number, since it is larger than the sum of its proper divisors (24973167405670).

31122101012330 is a wasteful number, since it uses less digits than its factorization.

31122101012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217258.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31122101012330 its reverse (3321010122113), we get a palindrome (34443111134443).

The spelling of 31122101012330 in words is "thirty-one trillion, one hundred twenty-two billion, one hundred one million, twelve thousand, three hundred thirty".