157317316003 has 4 divisors (see below), whose sum is σ = 165597174760. Its totient is φ = 149037457248.

The previous prime is 157317316001. The next prime is 157317316021. The reversal of 157317316003 is 300613713751.

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 157317316003 - 2¹ = 157317316001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157317316001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4139929350 + ... + 4139929387.

It is an arithmetic number, because the mean of its divisors is an integer number (41399293690).

Almost surely, 2^157317316003 is an apocalyptic number.

157317316003 is a deficient number, since it is larger than the sum of its proper divisors (8279858757).

157317316003 is an equidigital number, since it uses as much as digits as its factorization.

157317316003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8279858756.

The product of its (nonzero) digits is 39690, while the sum is 37.

The spelling of 157317316003 in words is "one hundred fifty-seven billion, three hundred seventeen million, three hundred sixteen thousand, three".