1631303540928 has 84 divisors (see below), whose sum is σ = 4849016255720. Its totient is φ = 543767841792.

The previous prime is 1631303540921. The next prime is 1631303541017. The reversal of 1631303540928 is 8290453031361.

1631303540928 is a `hidden beast` number, since 1 + 6 + 3 + 13 + 0 + 3 + 540 + 92 + 8 = 666.

It is a super-2 number, since 2×1631303540928² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1631303540921) 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 11 ways as a sum of consecutive naturals, for example, 52431193 + ... + 52462296.

Almost surely, 2^{1631303540928} is an apocalyptic number.

1631303540928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1631303540928 is an abundant number, since it is smaller than the sum of its proper divisors (3217712714792).

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

1631303540928 is an equidigital number, since it uses as much as digits as its factorization.

1631303540928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104893516 (or 104893494 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 1631303540928 in words is "one trillion, six hundred thirty-one billion, three hundred three million, five hundred forty thousand, nine hundred twenty-eight".