30831143424 has 80 divisors (see below), whose sum is σ = 86967701568. Its totient is φ = 9672507392.

The previous prime is 30831143423. The next prime is 30831143479. The reversal of 30831143424 is 42434113803.

It is not an unprimeable number, because it can be changed into a prime (30831143423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564252 + ... + 616475.

Almost surely, 2^30831143424 is an apocalyptic number.

30831143424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30831143424 is an abundant number, since it is smaller than the sum of its proper divisors (56136558144).

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

30831143424 is a wasteful number, since it uses less digits than its factorization.

30831143424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180765 (or 1180749 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 30831143424 in words is "thirty billion, eight hundred thirty-one million, one hundred forty-three thousand, four hundred twenty-four".