31546641234 has 16 divisors (see below), whose sum is σ = 64632143520. Its totient is φ = 10259070240.

The previous prime is 31546641221. The next prime is 31546641253. The reversal of 31546641234 is 43214664513.

It is a junction number, because it is equal to n+sod(n) for n = 31546641192 and 31546641201.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 64118944 + ... + 64119435.

It is an arithmetic number, because the mean of its divisors is an integer number (4039508970).

Almost surely, 2^31546641234 is an apocalyptic number.

31546641234 is an abundant number, since it is smaller than the sum of its proper divisors (33085502286).

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

31546641234 is a wasteful number, since it uses less digits than its factorization.

31546641234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128238425.

The product of its digits is 207360, while the sum is 39.

The spelling of 31546641234 in words is "thirty-one billion, five hundred forty-six million, six hundred forty-one thousand, two hundred thirty-four".