30302312032 has 48 divisors (see below), whose sum is σ = 62815662000. Its totient is φ = 14349588480.

The previous prime is 30302312011. The next prime is 30302312069. The reversal of 30302312032 is 23021320303.

It is a happy number.

It is a super-2 number, since 2×30302312032² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 3551932 + ... + 3560452.

It is an arithmetic number, because the mean of its divisors is an integer number (1308659625).

Almost surely, 2^30302312032 is an apocalyptic number.

30302312032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30302312032 is an abundant number, since it is smaller than the sum of its proper divisors (32513349968).

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

30302312032 is a wasteful number, since it uses less digits than its factorization.

30302312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14399 (or 14391 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30302312032 its reverse (23021320303), we get a palindrome (53323632335).

The spelling of 30302312032 in words is "thirty billion, three hundred two million, three hundred twelve thousand, thirty-two".