83418013931 has 8 divisors (see below), whose sum is σ = 98622282720. Its totient is φ = 69035597568.

The previous prime is 83418013927. The next prime is 83418013961. The reversal of 83418013931 is 13931081438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83418013931 - 2² = 83418013927 is a prime.

It is a super-2 number, since 2×83418013931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83418013901) 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 7 ways as a sum of consecutive naturals, for example, 205462886 + ... + 205463291.

It is an arithmetic number, because the mean of its divisors is an integer number (12327785340).

Almost surely, 2^83418013931 is an apocalyptic number.

83418013931 is a deficient number, since it is larger than the sum of its proper divisors (15204268789).

83418013931 is a wasteful number, since it uses less digits than its factorization.

83418013931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410926213.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 83418013931 in words is "eighty-three billion, four hundred eighteen million, thirteen thousand, nine hundred thirty-one".