30811102 has 12 divisors (see below), whose sum is σ = 53762400. Its totient is φ = 13204716.

The previous prime is 30811061. The next prime is 30811133. The reversal of 30811102 is 20111803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157102 + ... + 157297.

It is an arithmetic number, because the mean of its divisors is an integer number (4480200).

Almost surely, 2^30811102 is an apocalyptic number.

30811102 is a deficient number, since it is larger than the sum of its proper divisors (22951298).

30811102 is a wasteful number, since it uses less digits than its factorization.

30811102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314415 (or 314408 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 30811102 is about 5550.7749008584. The cubic root of 30811102 is about 313.4986997429.

Adding to 30811102 its reverse (20111803), we get a palindrome (50922905).

The spelling of 30811102 in words is "thirty million, eight hundred eleven thousand, one hundred two".