30990363 has 12 divisors (see below), whose sum is σ = 41740920. Its totient is φ = 20452096.

The previous prime is 30990353. The next prime is 30990367. The reversal of 30990363 is 36309903.

It is not a de Polignac number, because 30990363 - 2¹⁶ = 30924827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30990367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37903 + ... + 38711.

It is an arithmetic number, because the mean of its divisors is an integer number (3478410).

Almost surely, 2^30990363 is an apocalyptic number.

30990363 is a deficient number, since it is larger than the sum of its proper divisors (10750557).

30990363 is an equidigital number, since it uses as much as digits as its factorization.

30990363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 30990363 is about 5566.8988674126. The cubic root of 30990363 is about 314.1055097306.

The spelling of 30990363 in words is "thirty million, nine hundred ninety thousand, three hundred sixty-three".