30231320032 has 24 divisors (see below), whose sum is σ = 61437845952. Its totient is φ = 14628057600.

The previous prime is 30231319973. The next prime is 30231320047. The reversal of 30231320032 is 23002313203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30231319991 and 30231320009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15236569 + ... + 15238552.

It is an arithmetic number, because the mean of its divisors is an integer number (2559910248).

Almost surely, 2^30231320032 is an apocalyptic number.

30231320032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30231320032 is an abundant number, since it is smaller than the sum of its proper divisors (31206525920).

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

30231320032 is a wasteful number, since it uses less digits than its factorization.

30231320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30475162 (or 30475154 counting only the distinct ones).

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

Adding to 30231320032 its reverse (23002313203), we get a palindrome (53233633235).

The spelling of 30231320032 in words is "thirty billion, two hundred thirty-one million, three hundred twenty thousand, thirty-two".