31936226450 has 54 divisors (see below), whose sum is σ = 60175171701. Its totient is φ = 12610216080.

The previous prime is 31936226447. The next prime is 31936226489. The reversal of 31936226450 is 5462263913.

It can be written as a sum of positive squares in 2 ways, for example, as 31297501921 + 638724529 = 176911^2 + 25273^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=126365.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31936226398 and 31936226407.

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 26 ways as a sum of consecutive naturals, for example, 160483451 + ... + 160483649.

Almost surely, 2^31936226450 is an apocalyptic number.

31936226450 is a deficient number, since it is larger than the sum of its proper divisors (28238945251).

31936226450 is an equidigital number, since it uses as much as digits as its factorization.

31936226450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 31936226450 in words is "thirty-one billion, nine hundred thirty-six million, two hundred twenty-six thousand, four hundred fifty".