31441032400117 has 2 divisors, whose sum is σ = 31441032400118. Its totient is φ = 31441032400116.

The previous prime is 31441032400109. The next prime is 31441032400139. The reversal of 31441032400117 is 71100423014413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27685339562596 + 3755692837521 = 5261686^2 + 1937961^2 .

It is a cyclic number.

It is not a de Polignac number, because 31441032400117 - 2³ = 31441032400109 is a prime.

It is a super-2 number, since 2×31441032400117² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31441032400517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15720516200058 + 15720516200059.

It is an arithmetic number, because the mean of its divisors is an integer number (15720516200059).

Almost surely, 2^{31441032400117} is an apocalyptic number.

It is an amenable number.

31441032400117 is a deficient number, since it is larger than the sum of its proper divisors (1).

31441032400117 is an equidigital number, since it uses as much as digits as its factorization.

31441032400117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 31441032400117 in words is "thirty-one trillion, four hundred forty-one billion, thirty-two million, four hundred thousand, one hundred seventeen".