83130319 has 4 divisors (see below), whose sum is σ = 83381800. Its totient is φ = 82878840.

The previous prime is 83130293. The next prime is 83130343. The reversal of 83130319 is 91303138.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91303138 = 2 ⋅45651569.

It is a cyclic number.

It is not a de Polignac number, because 83130319 - 2⁵ = 83130287 is a prime.

It is a super-2 number, since 2×83130319² = 13821299874083522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83130419) 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, 125244 + ... + 125905.

It is an arithmetic number, because the mean of its divisors is an integer number (20845450).

Almost surely, 2^83130319 is an apocalyptic number.

83130319 is a deficient number, since it is larger than the sum of its proper divisors (251481).

83130319 is a wasteful number, since it uses less digits than its factorization.

83130319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251480.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 83130319 is about 9117.5829582187. The cubic root of 83130319 is about 436.4352452307.

The spelling of 83130319 in words is "eighty-three million, one hundred thirty thousand, three hundred nineteen".