30473131 has 8 divisors (see below), whose sum is σ = 34544720. Its totient is φ = 26648352.

The previous prime is 30473123. The next prime is 30473143. The reversal of 30473131 is 13137403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30473131 - 2³ = 30473123 is a prime.

It is a super-2 number, since 2×30473131² = 1857223425886322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30473731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61440 + ... + 61933.

It is an arithmetic number, because the mean of its divisors is an integer number (4318090).

Almost surely, 2^30473131 is an apocalyptic number.

30473131 is a deficient number, since it is larger than the sum of its proper divisors (4071589).

30473131 is a wasteful number, since it uses less digits than its factorization.

30473131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123405.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 30473131 is about 5520.2473676458. The cubic root of 30473131 is about 312.3482134333.

The spelling of 30473131 in words is "thirty million, four hundred seventy-three thousand, one hundred thirty-one".