30883121 has 4 divisors (see below), whose sum is σ = 31072752. Its totient is φ = 30693492.

The previous prime is 30883117. The next prime is 30883129. The reversal of 30883121 is 12138803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30883121 - 2² = 30883117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30883129) 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, 94571 + ... + 94896.

It is an arithmetic number, because the mean of its divisors is an integer number (7768188).

Almost surely, 2^30883121 is an apocalyptic number.

It is an amenable number.

30883121 is a deficient number, since it is larger than the sum of its proper divisors (189631).

30883121 is a wasteful number, since it uses less digits than its factorization.

30883121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189630.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 30883121 is about 5557.2584068046. The cubic root of 30883121 is about 313.7427707947.

The spelling of 30883121 in words is "thirty million, eight hundred eighty-three thousand, one hundred twenty-one".