30311122424 has 48 divisors (see below), whose sum is σ = 65185842960. Its totient is φ = 13178739200.

The previous prime is 30311122399. The next prime is 30311122459. The reversal of 30311122424 is 42422111303.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 30311122424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658457 + ... + 702984.

It is an arithmetic number, because the mean of its divisors is an integer number (1358038395).

Almost surely, 2^30311122424 is an apocalyptic number.

It is an amenable number.

30311122424 is an abundant number, since it is smaller than the sum of its proper divisors (34874720536).

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

30311122424 is a wasteful number, since it uses less digits than its factorization.

30311122424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361492 (or 1361477 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30311122424 its reverse (42422111303), we get a palindrome (72733233727).

The spelling of 30311122424 in words is "thirty billion, three hundred eleven million, one hundred twenty-two thousand, four hundred twenty-four".