30316122 has 12 divisors (see below), whose sum is σ = 65684970. Its totient is φ = 10105368.

The previous prime is 30316087. The next prime is 30316123. The reversal of 30316122 is 22161303.

It can be written as a sum of positive squares in only one way, i.e., 29257281 + 1058841 = 5409^2 + 1029^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1684229 = 30316122 / (3 + 0 + 3 + 1 + 6 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 30316095 and 30316104.

It is not an unprimeable number, because it can be changed into a prime (30316123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 842097 + ... + 842132.

Almost surely, 2^30316122 is an apocalyptic number.

30316122 is an abundant number, since it is smaller than the sum of its proper divisors (35368848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30316122 is a wasteful number, since it uses less digits than its factorization.

30316122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684237 (or 1684234 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30316122 is about 5506.0078096566. The cubic root of 30316122 is about 311.8108444172.

Adding to 30316122 its reverse (22161303), we get a palindrome (52477425).

The spelling of 30316122 in words is "thirty million, three hundred sixteen thousand, one hundred twenty-two".