30903122 has 12 divisors (see below), whose sum is σ = 48459390. Its totient is φ = 14779248.

The previous prime is 30903113. The next prime is 30903143. The reversal of 30903122 is 22130903.

It can be written as a sum of positive squares in only one way, i.e., 27258841 + 3644281 = 5221^2 + 1909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30903094 and 30903103.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13547 + ... + 15662.

Almost surely, 2^30903122 is an apocalyptic number.

30903122 is a deficient number, since it is larger than the sum of its proper divisors (17556268).

30903122 is a wasteful number, since it uses less digits than its factorization.

30903122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29257 (or 29234 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30903122 is about 5559.0576539554. The cubic root of 30903122 is about 313.8104864786.

The spelling of 30903122 in words is "thirty million, nine hundred three thousand, one hundred twenty-two".