30211490 has 16 divisors (see below), whose sum is σ = 54443448. Its totient is φ = 12070656.

The previous prime is 30211487. The next prime is 30211529. The reversal of 30211490 is 9411203.

It can be written as a sum of positive squares in 4 ways, for example, as 17330569 + 12880921 = 4163^2 + 3589^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15194 + ... + 17066.

Almost surely, 2^30211490 is an apocalyptic number.

30211490 is a deficient number, since it is larger than the sum of its proper divisors (24231958).

30211490 is a wasteful number, since it uses less digits than its factorization.

30211490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 30211490 is about 5496.4979759843. The cubic root of 30211490 is about 311.4517065911.

Adding to 30211490 its reverse (9411203), we get a palindrome (39622693).

The spelling of 30211490 in words is "thirty million, two hundred eleven thousand, four hundred ninety".