30497452331 has 2 divisors, whose sum is σ = 30497452332. Its totient is φ = 30497452330.

The previous prime is 30497452303. The next prime is 30497452339. The reversal of 30497452331 is 13325479403.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13325479403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30497452331 - 2³⁰ = 29423710507 is a prime.

It is a super-2 number, since 2×30497452331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30497452339) 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 as a sum of consecutive naturals, namely, 15248726165 + 15248726166.

It is an arithmetic number, because the mean of its divisors is an integer number (15248726166).

Almost surely, 2^30497452331 is an apocalyptic number.

30497452331 is a deficient number, since it is larger than the sum of its proper divisors (1).

30497452331 is an equidigital number, since it uses as much as digits as its factorization.

30497452331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 30497452331 in words is "thirty billion, four hundred ninety-seven million, four hundred fifty-two thousand, three hundred thirty-one".