47320131 has 16 divisors (see below), whose sum is σ = 66677760. Its totient is φ = 29789760.

The previous prime is 47320121. The next prime is 47320139. The reversal of 47320131 is 13102374.

It is not a de Polignac number, because 47320131 - 2¹⁴ = 47303747 is a prime.

It is a super-2 number, since 2×47320131² = 4478389595714322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47320098 and 47320107.

It is not an unprimeable number, because it can be changed into a prime (47320139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111 + ... + 9791.

It is an arithmetic number, because the mean of its divisors is an integer number (4167360).

Almost surely, 2^47320131 is an apocalyptic number.

47320131 is a deficient number, since it is larger than the sum of its proper divisors (19357629).

47320131 is a wasteful number, since it uses less digits than its factorization.

47320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 47320131 is about 6878.9629305586. The cubic root of 47320131 is about 361.7001143674.

The spelling of 47320131 in words is "forty-seven million, three hundred twenty thousand, one hundred thirty-one".