31836550140672 has 36 divisors (see below), whose sum is σ = 84731651678520. Its totient is φ = 10612183379968.

The previous prime is 31836550140631. The next prime is 31836550140677. The reversal of 31836550140672 is 27604105563813.

It is a super-3 number, since 3×31836550140672³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (31836550140677) 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 3 ways as a sum of consecutive naturals, for example, 20726919897 + ... + 20726921432.

It is an arithmetic number, because the mean of its divisors is an integer number (2353656991070).

Almost surely, 2^{31836550140672} is an apocalyptic number.

31836550140672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31836550140672 is an abundant number, since it is smaller than the sum of its proper divisors (52895101537848).

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

31836550140672 is an equidigital number, since it uses as much as digits as its factorization.

31836550140672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41453841348 (or 41453841334 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 31836550140672 in words is "thirty-one trillion, eight hundred thirty-six billion, five hundred fifty million, one hundred forty thousand, six hundred seventy-two".