30000157303 has 4 divisors (see below), whose sum is σ = 30077278920. Its totient is φ = 29923035688.

The previous prime is 30000157283. The next prime is 30000157321. The reversal of 30000157303 is 30375100003.

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 30000157303 - 2²¹ = 29998060151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000157373) 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, 38560225 + ... + 38561002.

It is an arithmetic number, because the mean of its divisors is an integer number (7519319730).

Almost surely, 2^30000157303 is an apocalyptic number.

30000157303 is a deficient number, since it is larger than the sum of its proper divisors (77121617).

30000157303 is an equidigital number, since it uses as much as digits as its factorization.

30000157303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77121616.

The product of its (nonzero) digits is 945, while the sum is 22.

Adding to 30000157303 its reverse (30375100003), we get a palindrome (60375257306).

The spelling of 30000157303 in words is "thirty billion, one hundred fifty-seven thousand, three hundred three".