30497452351 has 4 divisors (see below), whose sum is σ = 30539059432. Its totient is φ = 30455845272.

The previous prime is 30497452343. The next prime is 30497452441. The reversal of 30497452351 is 15325479403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30497452351 - 2³ = 30497452343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30497452298 and 30497452307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30497452331) 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 in 3 ways as a sum of consecutive naturals, for example, 20802441 + ... + 20803906.

It is an arithmetic number, because the mean of its divisors is an integer number (7634764858).

Almost surely, 2^30497452351 is an apocalyptic number.

30497452351 is a deficient number, since it is larger than the sum of its proper divisors (41607081).

30497452351 is an equidigital number, since it uses as much as digits as its factorization.

30497452351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41607080.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 30497452351 in words is "thirty billion, four hundred ninety-seven million, four hundred fifty-two thousand, three hundred fifty-one".