31400103330205 has 8 divisors (see below), whose sum is σ = 37877402133504. Its totient is φ = 24988563906000.

The previous prime is 31400103330203. The next prime is 31400103330217. The reversal of 31400103330205 is 50203330100413.

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

It is not a de Polignac number, because 31400103330205 - 2¹ = 31400103330203 is a prime.

It is a super-2 number, since 2×31400103330205² (a number of 28 digits) contains 22 as substring.

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 31400103330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400103330203) 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, 16439843721 + ... + 16439845630.

It is an arithmetic number, because the mean of its divisors is an integer number (4734675266688).

Almost surely, 2^{31400103330205} is an apocalyptic number.

It is an amenable number.

31400103330205 is a deficient number, since it is larger than the sum of its proper divisors (6477298803299).

31400103330205 is a wasteful number, since it uses less digits than its factorization.

31400103330205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32879689547.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 31400103330205 its reverse (50203330100413), we get a palindrome (81603433430618).

The spelling of 31400103330205 in words is "thirty-one trillion, four hundred billion, one hundred three million, three hundred thirty thousand, two hundred five".