31928670098117 has 8 divisors (see below), whose sum is σ = 35570401701240. Its totient is φ = 28456321360320.

The previous prime is 31928670098111. The next prime is 31928670098119. The reversal of 31928670098117 is 71189007682913.

It is a happy number.

It is a Cunningham number, because it is equal to 5650546²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 31928670098116 = 1^2 + 5650546^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31928670098117 - 2¹² = 31928670094021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31928670098117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31928670098111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42345715934 + ... + 42345716687.

It is an arithmetic number, because the mean of its divisors is an integer number (4446300212655).

Almost surely, 2^{31928670098117} is an apocalyptic number.

It is an amenable number.

31928670098117 is a deficient number, since it is larger than the sum of its proper divisors (3641731603123).

31928670098117 is a wasteful number, since it uses less digits than its factorization.

31928670098117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84691432663.

The product of its (nonzero) digits is 9144576, while the sum is 62.

The spelling of 31928670098117 in words is "thirty-one trillion, nine hundred twenty-eight billion, six hundred seventy million, ninety-eight thousand, one hundred seventeen".