30823119 has 8 divisors (see below), whose sum is σ = 45663920. Its totient is φ = 20548728.

The previous prime is 30823099. The next prime is 30823127. The reversal of 30823119 is 91132803.

It is not a de Polignac number, because 30823119 - 2⁵ = 30823087 is a prime.

It is a super-2 number, since 2×30823119² = 1900129329776322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1141597 = 30823119 / (3 + 0 + 8 + 2 + 3 + 1 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30823092 and 30823101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30823139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570772 + ... + 570825.

It is an arithmetic number, because the mean of its divisors is an integer number (5707990).

Almost surely, 2^30823119 is an apocalyptic number.

30823119 is a deficient number, since it is larger than the sum of its proper divisors (14840801).

30823119 is a wasteful number, since it uses less digits than its factorization.

30823119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141606 (or 1141600 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 30823119 is about 5551.8572568106. The cubic root of 30823119 is about 313.5394515494.

The spelling of 30823119 in words is "thirty million, eight hundred twenty-three thousand, one hundred nineteen".