30491116 has 6 divisors (see below), whose sum is σ = 53359460. Its totient is φ = 15245556.

The previous prime is 30491113. The next prime is 30491137. The reversal of 30491116 is 61119403.

It is not an unprimeable number, because it can be changed into a prime (30491113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3811386 + ... + 3811393.

Almost surely, 2^30491116 is an apocalyptic number.

It is an amenable number.

30491116 is a deficient number, since it is larger than the sum of its proper divisors (22868344).

30491116 is a wasteful number, since it uses less digits than its factorization.

30491116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622783 (or 7622781 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 30491116 is about 5521.8761304470. The cubic root of 30491116 is about 312.4096498271.

The spelling of 30491116 in words is "thirty million, four hundred ninety-one thousand, one hundred sixteen".