31063940384 has 12 divisors (see below), whose sum is σ = 61157132694. Its totient is φ = 15531970176.

The previous prime is 31063940381. The next prime is 31063940407. The reversal of 31063940384 is 48304936013.

It can be written as a sum of positive squares in only one way, i.e., 28230720400 + 2833219984 = 168020^2 + 53228^2 .

It is not an unprimeable number, because it can be changed into a prime (31063940381) 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 as a sum of consecutive naturals, namely, 485374037 + ... + 485374100.

Almost surely, 2^31063940384 is an apocalyptic number.

It is an amenable number.

31063940384 is a deficient number, since it is larger than the sum of its proper divisors (30093192310).

31063940384 is an equidigital number, since it uses as much as digits as its factorization.

31063940384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970748147 (or 970748139 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 31063940384 in words is "thirty-one billion, sixty-three million, nine hundred forty thousand, three hundred eighty-four".