30942953 has 8 divisors (see below), whose sum is σ = 31269888. Its totient is φ = 30618064.

The previous prime is 30942949. The next prime is 30942959. The reversal of 30942953 is 35924903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30942953 - 2² = 30942949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30942959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66026 + ... + 66492.

It is an arithmetic number, because the mean of its divisors is an integer number (3908736).

Almost surely, 2^30942953 is an apocalyptic number.

It is an amenable number.

30942953 is a deficient number, since it is larger than the sum of its proper divisors (326935).

30942953 is a wasteful number, since it uses less digits than its factorization.

30942953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 30942953 is about 5562.6390319703. The cubic root of 30942953 is about 313.9452519259.

The spelling of 30942953 in words is "thirty million, nine hundred forty-two thousand, nine hundred fifty-three".