7181631048 has 32 divisors (see below), whose sum is σ = 17962797600. Its totient is φ = 2392714368.

The previous prime is 7181631013. The next prime is 7181631073. The reversal of 7181631048 is 8401361817.

It is a junction number, because it is equal to n+sod(n) for n = 7181630997 and 7181631015.

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, 21486 + ... + 121757.

It is an arithmetic number, because the mean of its divisors is an integer number (561337425).

Almost surely, 2^7181631048 is an apocalyptic number.

It is an amenable number.

7181631048 is an abundant number, since it is smaller than the sum of its proper divisors (10781166552).

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

7181631048 is a wasteful number, since it uses less digits than its factorization.

7181631048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145341 (or 145337 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 7181631048 is about 84744.5045297924. The cubic root of 7181631048 is about 1929.3352384983.

The spelling of 7181631048 in words is "seven billion, one hundred eighty-one million, six hundred thirty-one thousand, forty-eight".