30470131 has 2 divisors, whose sum is σ = 30470132. Its totient is φ = 30470130.

The previous prime is 30470023. The next prime is 30470149. The reversal of 30470131 is 13107403.

It is a strong prime.

It is an emirp because it is prime and its reverse (13107403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30470131 - 2⁷ = 30470003 is a prime.

It is a super-2 number, since 2×30470131² = 1856857766314322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30470099 and 30470108.

It is not a weakly prime, because it can be changed into another prime (30470161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15235065 + 15235066.

It is an arithmetic number, because the mean of its divisors is an integer number (15235066).

Almost surely, 2^30470131 is an apocalyptic number.

30470131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30470131 is an equidigital number, since it uses as much as digits as its factorization.

30470131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 30470131 is about 5519.9756340042. The cubic root of 30470131 is about 312.3379631422.

Adding to 30470131 its reverse (13107403), we get a palindrome (43577534).

The spelling of 30470131 in words is "thirty million, four hundred seventy thousand, one hundred thirty-one".