31134243713 has 2 divisors, whose sum is σ = 31134243714. Its totient is φ = 31134243712.

The previous prime is 31134243709. The next prime is 31134243743. The reversal of 31134243713 is 31734243113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31125074929 + 9168784 = 176423^2 + 3028^2 .

It is a cyclic number.

It is not a de Polignac number, because 31134243713 - 2² = 31134243709 is a prime.

It is a super-3 number, since 3×31134243713³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 31134243713.

It is not a weakly prime, because it can be changed into another prime (31134243703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15567121856 + 15567121857.

It is an arithmetic number, because the mean of its divisors is an integer number (15567121857).

Almost surely, 2^31134243713 is an apocalyptic number.

It is an amenable number.

31134243713 is a deficient number, since it is larger than the sum of its proper divisors (1).

31134243713 is an equidigital number, since it uses as much as digits as its factorization.

31134243713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

Adding to 31134243713 its reverse (31734243113), we get a palindrome (62868486826).

The spelling of 31134243713 in words is "thirty-one billion, one hundred thirty-four million, two hundred forty-three thousand, seven hundred thirteen".