30983953 has 24 divisors (see below), whose sum is σ = 41846976. Its totient is φ = 22276800.

The previous prime is 30983947. The next prime is 30983957. The reversal of 30983953 is 35938903.

It is not a de Polignac number, because 30983953 - 2⁹ = 30983441 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 (30983957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11823 + ... + 14203.

It is an arithmetic number, because the mean of its divisors is an integer number (1743624).

Almost surely, 2^30983953 is an apocalyptic number.

It is an amenable number.

30983953 is a deficient number, since it is larger than the sum of its proper divisors (10863023).

30983953 is a wasteful number, since it uses less digits than its factorization.

30983953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 30983953 is about 5566.3231131511. The cubic root of 30983953 is about 314.0838518672.

The spelling of 30983953 in words is "thirty million, nine hundred eighty-three thousand, nine hundred fifty-three".