30131116 has 12 divisors (see below), whose sum is σ = 54547920. Its totient is φ = 14546000.

The previous prime is 30131113. The next prime is 30131137. The reversal of 30131116 is 61113103.

It is a self number, because there is not a number n which added to its sum of digits gives 30131116.

It is not an unprimeable number, because it can be changed into a prime (30131113) 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, 129760 + ... + 129991.

It is an arithmetic number, because the mean of its divisors is an integer number (4545660).

Almost surely, 2^30131116 is an apocalyptic number.

It is an amenable number.

30131116 is a deficient number, since it is larger than the sum of its proper divisors (24416804).

30131116 is a wasteful number, since it uses less digits than its factorization.

30131116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259784 (or 259782 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 30131116 is about 5489.1817240824. The cubic root of 30131116 is about 311.1752681557.

Adding to 30131116 its reverse (61113103), we get a palindrome (91244219).

The spelling of 30131116 in words is "thirty million, one hundred thirty-one thousand, one hundred sixteen".