30345223501 has 4 divisors (see below), whose sum is σ = 30345641212. Its totient is φ = 30344805792.

The previous prime is 30345223483. The next prime is 30345223529. The reversal of 30345223501 is 10532254303.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15488051401 + 14857172100 = 124451^2 + 121890^2 .

It is a cyclic number.

It is not a de Polignac number, because 30345223501 - 2⁷ = 30345223373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30345223501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30345223561) 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, 68400 + ... + 255673.

It is an arithmetic number, because the mean of its divisors is an integer number (7586410303).

Almost surely, 2^30345223501 is an apocalyptic number.

It is an amenable number.

30345223501 is a deficient number, since it is larger than the sum of its proper divisors (417711).

30345223501 is an equidigital number, since it uses as much as digits as its factorization.

30345223501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417710.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 30345223501 its reverse (10532254303), we get a palindrome (40877477804).

The spelling of 30345223501 in words is "thirty billion, three hundred forty-five million, two hundred twenty-three thousand, five hundred one".