312143113 has 2 divisors, whose sum is σ = 312143114. Its totient is φ = 312143112.

The previous prime is 312143107. The next prime is 312143119. The reversal of 312143113 is 311341213.

It is a balanced prime because it is at equal distance from previous prime (312143107) and next prime (312143119).

It can be written as a sum of positive squares in only one way, i.e., 304258249 + 7884864 = 17443^2 + 2808^2 .

It is a cyclic number.

It is not a de Polignac number, because 312143113 - 2⁵ = 312143081 is a prime.

It is not a weakly prime, because it can be changed into another prime (312143119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156071556 + 156071557.

It is an arithmetic number, because the mean of its divisors is an integer number (156071557).

Almost surely, 2^312143113 is an apocalyptic number.

It is an amenable number.

312143113 is a deficient number, since it is larger than the sum of its proper divisors (1).

312143113 is an equidigital number, since it uses as much as digits as its factorization.

312143113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 312143113 is about 17667.5723572878. The cubic root of 312143113 is about 678.3459749824.

Adding to 312143113 its reverse (311341213), we get a palindrome (623484326).

The spelling of 312143113 in words is "three hundred twelve million, one hundred forty-three thousand, one hundred thirteen".