30484731 has 4 divisors (see below), whose sum is σ = 40646312. Its totient is φ = 20323152.

The previous prime is 30484711. The next prime is 30484733. The reversal of 30484731 is 13748403.

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

It is not a de Polignac number, because 30484731 - 2⁶ = 30484667 is a prime.

It is a super-2 number, since 2×30484731² = 1858637648284722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30484733) 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, 5080786 + ... + 5080791.

It is an arithmetic number, because the mean of its divisors is an integer number (10161578).

Almost surely, 2^30484731 is an apocalyptic number.

30484731 is a deficient number, since it is larger than the sum of its proper divisors (10161581).

30484731 is a wasteful number, since it uses less digits than its factorization.

30484731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161580.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 30484731 is about 5521.2979452299. The cubic root of 30484731 is about 312.3878415637.

The spelling of 30484731 in words is "thirty million, four hundred eighty-four thousand, seven hundred thirty-one".