312140713 has 2 divisors, whose sum is σ = 312140714. Its totient is φ = 312140712.

The previous prime is 312140693. The next prime is 312140743. The reversal of 312140713 is 317041213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303212569 + 8928144 = 17413^2 + 2988^2 .

It is a cyclic number.

It is not a de Polignac number, because 312140713 - 2⁵ = 312140681 is a prime.

It is not a weakly prime, because it can be changed into another prime (312140743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156070356 + 156070357.

It is an arithmetic number, because the mean of its divisors is an integer number (156070357).

Almost surely, 2^312140713 is an apocalyptic number.

It is an amenable number.

312140713 is a deficient number, since it is larger than the sum of its proper divisors (1).

312140713 is an equidigital number, since it uses as much as digits as its factorization.

312140713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 312140713 is about 17667.5044361109. The cubic root of 312140713 is about 678.3442364268.

Adding to 312140713 its reverse (317041213), we get a palindrome (629181926).

It can be divided in two parts, 3121 and 40713, that added together give a palindrome (43834).

The spelling of 312140713 in words is "three hundred twelve million, one hundred forty thousand, seven hundred thirteen".