31031010132122 has 32 divisors (see below), whose sum is σ = 62496020409984. Its totient is φ = 11160003643200.

The previous prime is 31031010132061. The next prime is 31031010132127. The reversal of 31031010132122 is 22123101013013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31031010132094 and 31031010132103.

It is not an unprimeable number, because it can be changed into a prime (31031010132127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7750000529 + ... + 7750004532.

It is an arithmetic number, because the mean of its divisors is an integer number (1953000637812).

Almost surely, 2^{31031010132122} is an apocalyptic number.

31031010132122 is an abundant number, since it is smaller than the sum of its proper divisors (31465010277862).

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

31031010132122 is a wasteful number, since it uses less digits than its factorization.

31031010132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15500005094.

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

Adding to 31031010132122 its reverse (22123101013013), we get a palindrome (53154111145135).

The spelling of 31031010132122 in words is "thirty-one trillion, thirty-one billion, ten million, one hundred thirty-two thousand, one hundred twenty-two".