30331412040 has 128 divisors (see below), whose sum is σ = 94402454400. Its totient is φ = 7787028480.

The previous prime is 30331412021. The next prime is 30331412051. The reversal of 30331412040 is 4021413303.

It is a junction number, because it is equal to n+sod(n) for n = 30331411998 and 30331412016.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1216095 + ... + 1240785.

It is an arithmetic number, because the mean of its divisors is an integer number (737519175).

Almost surely, 2^30331412040 is an apocalyptic number.

30331412040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30331412040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47201227200).

30331412040 is an abundant number, since it is smaller than the sum of its proper divisors (64071042360).

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

30331412040 is a wasteful number, since it uses less digits than its factorization.

30331412040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25087 (or 25083 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30331412040 its reverse (4021413303), we get a palindrome (34352825343).

The spelling of 30331412040 in words is "thirty billion, three hundred thirty-one million, four hundred twelve thousand, forty".