80783031 has 16 divisors (see below), whose sum is σ = 130339584. Its totient is φ = 43446144.

The previous prime is 80783029. The next prime is 80783051. The reversal of 80783031 is 13038708.

It is not a de Polignac number, because 80783031 - 2¹ = 80783029 is a prime.

It is a super-2 number, since 2×80783031² = 13051796195093922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80783031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80783011) 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, 112785 + ... + 113498.

It is an arithmetic number, because the mean of its divisors is an integer number (8146224).

Almost surely, 2^80783031 is an apocalyptic number.

80783031 is a deficient number, since it is larger than the sum of its proper divisors (49556553).

80783031 is a wasteful number, since it uses less digits than its factorization.

80783031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226310.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 80783031 is about 8987.9380838989. The cubic root of 80783031 is about 432.2882003940.

It can be divided in two parts, 807 and 83031, that added together give a palindrome (83838).

The spelling of 80783031 in words is "eighty million, seven hundred eighty-three thousand, thirty-one".