31340302312113 has 12 divisors (see below), whose sum is σ = 45269376718020. Its totient is φ = 20893511264256.

The previous prime is 31340302312061. The next prime is 31340302312169. The reversal of 31340302312113 is 31121320304313.

31340302312113 is a `hidden beast` number, since 3 + 1 + 3 + 40 + 302 + 312 + 1 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18864628415649 + 12475673896464 = 4343343^2 + 3532092^2 .

It is not a de Polignac number, because 31340302312113 - 2⁹ = 31340302311601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31340302312013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10799253 + ... + 13390461.

It is an arithmetic number, because the mean of its divisors is an integer number (3772448059835).

Almost surely, 2^{31340302312113} is an apocalyptic number.

It is an amenable number.

31340302312113 is a deficient number, since it is larger than the sum of its proper divisors (13929074405907).

31340302312113 is a wasteful number, since it uses less digits than its factorization.

31340302312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935088 (or 3935085 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31340302312113 its reverse (31121320304313), we get a palindrome (62461622616426).

The spelling of 31340302312113 in words is "thirty-one trillion, three hundred forty billion, three hundred two million, three hundred twelve thousand, one hundred thirteen".