31730304429 has 6 divisors (see below), whose sum is σ = 45832661966. Its totient is φ = 21153536280.

The previous prime is 31730304427. The next prime is 31730304461. The reversal of 31730304429 is 92440303713.

31730304429 is a `hidden beast` number, since 317 + 30 + 304 + 4 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26308191204 + 5422113225 = 162198^2 + 73635^2 .

It is not a de Polignac number, because 31730304429 - 2¹ = 31730304427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31730304393 and 31730304402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31730304427) 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 5 ways as a sum of consecutive naturals, for example, 1762794682 + ... + 1762794699.

Almost surely, 2^31730304429 is an apocalyptic number.

It is an amenable number.

31730304429 is a deficient number, since it is larger than the sum of its proper divisors (14102357537).

31730304429 is a wasteful number, since it uses less digits than its factorization.

31730304429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525589387 (or 3525589384 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 31730304429 in words is "thirty-one billion, seven hundred thirty million, three hundred four thousand, four hundred twenty-nine".