47348131 has 4 divisors (see below), whose sum is σ = 47377792. Its totient is φ = 47318472.

The previous prime is 47348113. The next prime is 47348141. The reversal of 47348131 is 13184374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47348131 - 2⁷ = 47348003 is a prime.

It is a super-2 number, since 2×47348131² = 4483691018386322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47348093 and 47348102.

It is not an unprimeable number, because it can be changed into a prime (47348101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12291 + ... + 15676.

It is an arithmetic number, because the mean of its divisors is an integer number (11844448).

Almost surely, 2^47348131 is an apocalyptic number.

47348131 is a deficient number, since it is larger than the sum of its proper divisors (29661).

47348131 is a wasteful number, since it uses less digits than its factorization.

47348131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29660.

The product of its digits is 8064, while the sum is 31.

The square root of 47348131 is about 6880.9978200839. The cubic root of 47348131 is about 361.7714413488.

The spelling of 47348131 in words is "forty-seven million, three hundred forty-eight thousand, one hundred thirty-one".