30431010420 has 96 divisors (see below), whose sum is σ = 94715577600. Its totient is φ = 8111394432.

The previous prime is 30431010391. The next prime is 30431010437. The reversal of 30431010420 is 2401013403.

30431010420 is a `hidden beast` number, since 304 + 310 + 10 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30431010393 and 30431010402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369761 + ... + 1391799.

It is an arithmetic number, because the mean of its divisors is an integer number (986620600).

Almost surely, 2^30431010420 is an apocalyptic number.

30431010420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30431010420 is an abundant number, since it is smaller than the sum of its proper divisors (64284567180).

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

30431010420 is a wasteful number, since it uses less digits than its factorization.

30431010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24614 (or 24606 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30431010420 its reverse (2401013403), we get a palindrome (32832023823).

The spelling of 30431010420 in words is "thirty billion, four hundred thirty-one million, ten thousand, four hundred twenty".