48581994231 has 12 divisors (see below), whose sum is σ = 70566027480. Its totient is φ = 32207056560.

The previous prime is 48581994187. The next prime is 48581994257. The reversal of 48581994231 is 13249918584.

It is a happy number.

48581994231 is a `hidden beast` number, since 485 + 8 + 1 + 99 + 42 + 31 = 666.

It is not a de Polignac number, because 48581994231 - 2³⁴ = 31402125047 is a prime.

It is a super-2 number, since 2×48581994231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48581994271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15076600 + ... + 15079821.

It is an arithmetic number, because the mean of its divisors is an integer number (5880502290).

Almost surely, 2^48581994231 is an apocalyptic number.

48581994231 is a deficient number, since it is larger than the sum of its proper divisors (21984033249).

48581994231 is a wasteful number, since it uses less digits than its factorization.

48581994231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30156606 (or 30156603 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 48581994231 in words is "forty-eight billion, five hundred eighty-one million, nine hundred ninety-four thousand, two hundred thirty-one".