30693271 has 16 divisors (see below), whose sum is σ = 36267264. Its totient is φ = 25429824.

The previous prime is 30693269. The next prime is 30693283. The reversal of 30693271 is 17239603.

It is not a de Polignac number, because 30693271 - 2¹ = 30693269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30693241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31731 + ... + 32683.

It is an arithmetic number, because the mean of its divisors is an integer number (2266704).

Almost surely, 2^30693271 is an apocalyptic number.

30693271 is a deficient number, since it is larger than the sum of its proper divisors (5573993).

30693271 is a wasteful number, since it uses less digits than its factorization.

30693271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 30693271 is about 5540.1508102217. The cubic root of 30693271 is about 313.0985511715.

The spelling of 30693271 in words is "thirty million, six hundred ninety-three thousand, two hundred seventy-one".