31300120122 has 16 divisors (see below), whose sum is σ = 62602736160. Its totient is φ = 10432957392.

The previous prime is 31300120087. The next prime is 31300120133. The reversal of 31300120122 is 22102100313.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85629 + ... + 264447.

It is an arithmetic number, because the mean of its divisors is an integer number (3912671010).

Almost surely, 2^31300120122 is an apocalyptic number.

31300120122 is an abundant number, since it is smaller than the sum of its proper divisors (31302616038).

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

31300120122 is a wasteful number, since it uses less digits than its factorization.

31300120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207997.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31300120122 its reverse (22102100313), we get a palindrome (53402220435).

The spelling of 31300120122 in words is "thirty-one billion, three hundred million, one hundred twenty thousand, one hundred twenty-two".