80315903 has 16 divisors (see below), whose sum is σ = 84295680. Its totient is φ = 76467456.

The previous prime is 80315899. The next prime is 80315909. The reversal of 80315903 is 30951308.

It is a cyclic number.

It is not a de Polignac number, because 80315903 - 2² = 80315899 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 (80315909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360050 + ... + 360272.

It is an arithmetic number, because the mean of its divisors is an integer number (5268480).

Almost surely, 2^80315903 is an apocalyptic number.

80315903 is a deficient number, since it is larger than the sum of its proper divisors (3979777).

80315903 is a wasteful number, since it uses less digits than its factorization.

80315903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 80315903 is about 8961.9140254747. The cubic root of 80315903 is about 431.4533534262.

It can be divided in two parts, 80315 and 903, that added together give a palindrome (81218).

The spelling of 80315903 in words is "eighty million, three hundred fifteen thousand, nine hundred three".