30471941 has 4 divisors (see below), whose sum is σ = 31796832. Its totient is φ = 29147052.

The previous prime is 30471937. The next prime is 30471943. The reversal of 30471941 is 14917403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14917403 = 683 ⋅21841.

It is a cyclic number.

It is not a de Polignac number, because 30471941 - 2² = 30471937 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30471943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662411 + ... + 662456.

It is an arithmetic number, because the mean of its divisors is an integer number (7949208).

Almost surely, 2^30471941 is an apocalyptic number.

It is an amenable number.

30471941 is a deficient number, since it is larger than the sum of its proper divisors (1324891).

30471941 is a wasteful number, since it uses less digits than its factorization.

30471941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324890.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 30471941 is about 5520.1395815686. The cubic root of 30471941 is about 312.3441475650.

The spelling of 30471941 in words is "thirty million, four hundred seventy-one thousand, nine hundred forty-one".