30312113022 has 24 divisors (see below), whose sum is σ = 65688891840. Its totient is φ = 10102092000.

The previous prime is 30312113003. The next prime is 30312113059. The reversal of 30312113022 is 22031121303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30312112986 and 30312113004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64479 + ... + 254522.

It is an arithmetic number, because the mean of its divisors is an integer number (2737037160).

Almost surely, 2^30312113022 is an apocalyptic number.

30312113022 is an abundant number, since it is smaller than the sum of its proper divisors (35376778818).

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

30312113022 is a wasteful number, since it uses less digits than its factorization.

30312113022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324288 (or 324285 counting only the distinct ones).

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

Adding to 30312113022 its reverse (22031121303), we get a palindrome (52343234325).

The spelling of 30312113022 in words is "thirty billion, three hundred twelve million, one hundred thirteen thousand, twenty-two".