312603113 has 2 divisors, whose sum is σ = 312603114. Its totient is φ = 312603112.

The previous prime is 312603103. The next prime is 312603119. The reversal of 312603113 is 311306213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312158224 + 444889 = 17668^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 312603113 - 2¹⁰ = 312602089 is a prime.

It is not a weakly prime, because it can be changed into another prime (312603119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156301556 + 156301557.

It is an arithmetic number, because the mean of its divisors is an integer number (156301557).

Almost surely, 2^312603113 is an apocalyptic number.

It is an amenable number.

312603113 is a deficient number, since it is larger than the sum of its proper divisors (1).

312603113 is an equidigital number, since it uses as much as digits as its factorization.

312603113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 312603113 is about 17680.5857651832. The cubic root of 312603113 is about 678.6790337393.

Adding to 312603113 its reverse (311306213), we get a palindrome (623909326).

The spelling of 312603113 in words is "three hundred twelve million, six hundred three thousand, one hundred thirteen".