31432423122 has 24 divisors (see below), whose sum is σ = 72109677276. Its totient is φ = 9861152256.

The previous prime is 31432423079. The next prime is 31432423129. The reversal of 31432423122 is 22132423413.

31432423122 is a `hidden beast` number, since 314 + 32 + 4 + 2 + 312 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28412810721 + 3019612401 = 168561^2 + 54951^2 .

It is not an unprimeable number, because it can be changed into a prime (31432423129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51359863 + ... + 51360474.

Almost surely, 2^31432423122 is an apocalyptic number.

31432423122 is an abundant number, since it is smaller than the sum of its proper divisors (40677254154).

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

31432423122 is a wasteful number, since it uses less digits than its factorization.

31432423122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102720362 (or 102720359 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 31432423122 its reverse (22132423413), we get a palindrome (53564846535).

The spelling of 31432423122 in words is "thirty-one billion, four hundred thirty-two million, four hundred twenty-three thousand, one hundred twenty-two".