30431042412 has 24 divisors (see below), whose sum is σ = 71039052336. Its totient is φ = 10138925568.

The previous prime is 30431042387. The next prime is 30431042413. The reversal of 30431042412 is 21424013403.

It is not an unprimeable number, because it can be changed into a prime (30431042413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567693 + ... + 618980.

It is an arithmetic number, because the mean of its divisors is an integer number (2959960514).

Almost surely, 2^30431042412 is an apocalyptic number.

It is an amenable number.

30431042412 is an abundant number, since it is smaller than the sum of its proper divisors (40608009924).

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

30431042412 is a wasteful number, since it uses less digits than its factorization.

30431042412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188817 (or 1188815 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30431042412 its reverse (21424013403), we get a palindrome (51855055815).

The spelling of 30431042412 in words is "thirty billion, four hundred thirty-one million, forty-two thousand, four hundred twelve".