312144101 has 2 divisors, whose sum is σ = 312144102. Its totient is φ = 312144100.

The previous prime is 312144097. The next prime is 312144113. The reversal of 312144101 is 101441213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219484225 + 92659876 = 14815^2 + 9626^2 .

It is a cyclic number.

It is not a de Polignac number, because 312144101 - 2² = 312144097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312144101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312144121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156072050 + 156072051.

It is an arithmetic number, because the mean of its divisors is an integer number (156072051).

Almost surely, 2^312144101 is an apocalyptic number.

It is an amenable number.

312144101 is a deficient number, since it is larger than the sum of its proper divisors (1).

312144101 is an equidigital number, since it uses as much as digits as its factorization.

312144101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 312144101 is about 17667.6003180964. The cubic root of 312144101 is about 678.3466906852.

Adding to 312144101 its reverse (101441213), we get a palindrome (413585314).

The spelling of 312144101 in words is "three hundred twelve million, one hundred forty-four thousand, one hundred one".