80103312 has 30 divisors (see below), whose sum is σ = 224178422. Its totient is φ = 26701056.

The previous prime is 80103277. The next prime is 80103313. The reversal of 80103312 is 21330108.

It can be written as a sum of positive squares in only one way, i.e., 77158656 + 2944656 = 8784^2 + 1716^2 .

It is a super-3 number, since 3×80103312³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (80103313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277993 + ... + 278280.

Almost surely, 2^80103312 is an apocalyptic number.

It is an amenable number.

80103312 is an abundant number, since it is smaller than the sum of its proper divisors (144075110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80103312 is a wasteful number, since it uses less digits than its factorization.

80103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556287 (or 556278 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 80103312 is about 8950.0453630135. The cubic root of 80103312 is about 431.0723406835.

The spelling of 80103312 in words is "eighty million, one hundred three thousand, three hundred twelve".