30211097 has 8 divisors (see below), whose sum is σ = 35232000. Its totient is φ = 25894932.

The previous prime is 30211079. The next prime is 30211109. The reversal of 30211097 is 79011203.

It is not a de Polignac number, because 30211097 - 2⁸ = 30210841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30211297) 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, 43697 + ... + 44382.

It is an arithmetic number, because the mean of its divisors is an integer number (4404000).

Almost surely, 2^30211097 is an apocalyptic number.

It is an amenable number.

30211097 is a deficient number, since it is larger than the sum of its proper divisors (5020903).

30211097 is an frugal number, since it uses more digits than its factorization.

30211097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88100 (or 88086 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 30211097 is about 5496.4622258322. The cubic root of 30211097 is about 311.4503560999.

The spelling of 30211097 in words is "thirty million, two hundred eleven thousand, ninety-seven".