31314242113 has 16 divisors (see below), whose sum is σ = 39479806080. Its totient is φ = 24126537600.

The previous prime is 31314242107. The next prime is 31314242149. The reversal of 31314242113 is 31124241313.

It is a de Polignac number, because none of the positive numbers 2^k-31314242113 is a prime.

It is a super-2 number, since 2×31314242113² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31314242173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277858 + ... + 2291563.

It is an arithmetic number, because the mean of its divisors is an integer number (2467487880).

Almost surely, 2^31314242113 is an apocalyptic number.

It is an amenable number.

31314242113 is a deficient number, since it is larger than the sum of its proper divisors (8165563967).

31314242113 is a wasteful number, since it uses less digits than its factorization.

31314242113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569528.

The product of its digits is 1728, while the sum is 25.

Adding to 31314242113 its reverse (31124241313), we get a palindrome (62438483426).

The spelling of 31314242113 in words is "thirty-one billion, three hundred fourteen million, two hundred forty-two thousand, one hundred thirteen".