31434530140122 has 32 divisors (see below), whose sum is σ = 64331602165248. Its totient is φ = 10234423298736.

The previous prime is 31434530140051. The next prime is 31434530140127. The reversal of 31434530140122 is 22104103543413.

It is not an unprimeable number, because it can be changed into a prime (31434530140127) by changing a digit.

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, 43117443 + ... + 43840425.

It is an arithmetic number, because the mean of its divisors is an integer number (2010362567664).

Almost surely, 2^{31434530140122} is an apocalyptic number.

31434530140122 is an abundant number, since it is smaller than the sum of its proper divisors (32897072025126).

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

31434530140122 is a wasteful number, since it uses less digits than its factorization.

31434530140122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891554.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 31434530140122 its reverse (22104103543413), we get a palindrome (53538633683535).

The spelling of 31434530140122 in words is "thirty-one trillion, four hundred thirty-four billion, five hundred thirty million, one hundred forty thousand, one hundred twenty-two".