48190181931 has 64 divisors (see below), whose sum is σ = 74019415680. Its totient is φ = 30965760000.

The previous prime is 48190181917. The next prime is 48190181933. The reversal of 48190181931 is 13918109184.

It is a happy number.

48190181931 is a `hidden beast` number, since 481 + 9 + 0 + 1 + 81 + 93 + 1 = 666.

It is not a de Polignac number, because 48190181931 - 2⁵ = 48190181899 is a prime.

It is a super-2 number, since 2×48190181931² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48190181933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75179371 + ... + 75180011.

It is an arithmetic number, because the mean of its divisors is an integer number (1156553370).

Almost surely, 2^48190181931 is an apocalyptic number.

48190181931 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

48190181931 is a deficient number, since it is larger than the sum of its proper divisors (25829233749).

48190181931 is a wasteful number, since it uses less digits than its factorization.

48190181931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 45.

The spelling of 48190181931 in words is "forty-eight billion, one hundred ninety million, one hundred eighty-one thousand, nine hundred thirty-one".