28080230313 has 32 divisors (see below), whose sum is σ = 38510277120. Its totient is φ = 18193161600.

The previous prime is 28080230309. The next prime is 28080230371. The reversal of 28080230313 is 31303208082.

It is not a de Polignac number, because 28080230313 - 2² = 28080230309 is a prime.

It is a super-2 number, since 2×28080230313² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28080230393) 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 31 ways as a sum of consecutive naturals, for example, 11381106 + ... + 11383572.

It is an arithmetic number, because the mean of its divisors is an integer number (1203446160).

Almost surely, 2^28080230313 is an apocalyptic number.

It is an amenable number.

28080230313 is a deficient number, since it is larger than the sum of its proper divisors (10430046807).

28080230313 is a wasteful number, since it uses less digits than its factorization.

28080230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 28080230313 its reverse (31303208082), we get a palindrome (59383438395).

The spelling of 28080230313 in words is "twenty-eight billion, eighty million, two hundred thirty thousand, three hundred thirteen".