30814948 has 12 divisors (see below), whose sum is σ = 57098412. Its totient is φ = 14501120.

The previous prime is 30814919. The next prime is 30814981. The reversal of 30814948 is 84941803.

It can be written as a sum of positive squares in 2 ways, for example, as 15745024 + 15069924 = 3968^2 + 3882^2 .

It is a super-2 number, since 2×30814948² = 1899122040485408, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 226513 + ... + 226648.

It is an arithmetic number, because the mean of its divisors is an integer number (4758201).

Almost surely, 2^30814948 is an apocalyptic number.

It is an amenable number.

30814948 is a deficient number, since it is larger than the sum of its proper divisors (26283464).

30814948 is a wasteful number, since it uses less digits than its factorization.

30814948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453182 (or 453180 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 30814948 is about 5551.1213281642. The cubic root of 30814948 is about 313.5117433728.

The spelling of 30814948 in words is "thirty million, eight hundred fourteen thousand, nine hundred forty-eight".