30031231332 has 24 divisors (see below), whose sum is σ = 70076494656. Its totient is φ = 10009893088.

The previous prime is 30031231327. The next prime is 30031231381. The reversal of 30031231332 is 23313213003.

It is a junction number, because it is equal to n+sod(n) for n = 30031231299 and 30031231308.

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, 231418 + ... + 337070.

It is an arithmetic number, because the mean of its divisors is an integer number (2919853944).

Almost surely, 2^30031231332 is an apocalyptic number.

It is an amenable number.

30031231332 is an abundant number, since it is smaller than the sum of its proper divisors (40045263324).

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

30031231332 is a wasteful number, since it uses less digits than its factorization.

30031231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129347 (or 129345 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30031231332 its reverse (23313213003), we get a palindrome (53344444335).

The spelling of 30031231332 in words is "thirty billion, thirty-one million, two hundred thirty-one thousand, three hundred thirty-two".