30431421347 has 2 divisors, whose sum is σ = 30431421348. Its totient is φ = 30431421346.

The previous prime is 30431421289. The next prime is 30431421359. The reversal of 30431421347 is 74312413403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30431421347 - 2¹⁶ = 30431355811 is a prime.

It is not a weakly prime, because it can be changed into another prime (30431421367) by changing a digit.

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 as a sum of consecutive naturals, namely, 15215710673 + 15215710674.

It is an arithmetic number, because the mean of its divisors is an integer number (15215710674).

Almost surely, 2^30431421347 is an apocalyptic number.

30431421347 is a deficient number, since it is larger than the sum of its proper divisors (1).

30431421347 is an equidigital number, since it uses as much as digits as its factorization.

30431421347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 30431421347 in words is "thirty billion, four hundred thirty-one million, four hundred twenty-one thousand, three hundred forty-seven".