47488131 has 12 divisors (see below), whose sum is σ = 70448352. Its totient is φ = 30802896.

The previous prime is 47488117. The next prime is 47488151. The reversal of 47488131 is 13188474.

47488131 is a `hidden beast` number, since 47 + 488 + 131 = 666.

It is not a de Polignac number, because 47488131 - 2⁷ = 47488003 is a prime.

It is a super-2 number, since 2×47488131² = 4510245171746322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47488151) 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, 70971 + ... + 71636.

It is an arithmetic number, because the mean of its divisors is an integer number (5870696).

Almost surely, 2^47488131 is an apocalyptic number.

47488131 is a deficient number, since it is larger than the sum of its proper divisors (22960221).

47488131 is a wasteful number, since it uses less digits than its factorization.

47488131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142650 (or 142647 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 47488131 is about 6891.1632544876. The cubic root of 47488131 is about 362.1276550895.

The spelling of 47488131 in words is "forty-seven million, four hundred eighty-eight thousand, one hundred thirty-one".