30231030040 has 32 divisors (see below), whose sum is σ = 68067216000. Its totient is φ = 12083985664.

The previous prime is 30231030023. The next prime is 30231030139. The reversal of 30231030040 is 4003013203.

It is a junction number, because it is equal to n+sod(n) for n = 30231029996 and 30231030023.

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, 205045 + ... + 320164.

It is an arithmetic number, because the mean of its divisors is an integer number (2127100500).

Almost surely, 2^30231030040 is an apocalyptic number.

It is an amenable number.

30231030040 is an abundant number, since it is smaller than the sum of its proper divisors (37836185960).

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

30231030040 is a wasteful number, since it uses less digits than its factorization.

30231030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526659 (or 526655 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30231030040 its reverse (4003013203), we get a palindrome (34234043243).

The spelling of 30231030040 in words is "thirty billion, two hundred thirty-one million, thirty thousand, forty".