31300432434 has 24 divisors (see below), whose sum is σ = 67820877072. Its totient is φ = 10432973880.

The previous prime is 31300432417. The next prime is 31300432481. The reversal of 31300432434 is 43423400313.

31300432434 is a `hidden beast` number, since 3 + 1 + 300 + 4 + 324 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31300432398 and 31300432407.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 647029 + ... + 693719.

It is an arithmetic number, because the mean of its divisors is an integer number (2825869878).

Almost surely, 2^31300432434 is an apocalyptic number.

31300432434 is an abundant number, since it is smaller than the sum of its proper divisors (36520444638).

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

31300432434 is a wasteful number, since it uses less digits than its factorization.

31300432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83942 (or 83939 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 31300432434 its reverse (43423400313), we get a palindrome (74723832747).

The spelling of 31300432434 in words is "thirty-one billion, three hundred million, four hundred thirty-two thousand, four hundred thirty-four".