312411401 has 2 divisors, whose sum is σ = 312411402. Its totient is φ = 312411400.

The previous prime is 312411391. The next prime is 312411413. The reversal of 312411401 is 104114213.

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., 312405625 + 5776 = 17675^2 + 76^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312411401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312411401.

It is not a weakly prime, because it can be changed into another prime (312411301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156205700 + 156205701.

It is an arithmetic number, because the mean of its divisors is an integer number (156205701).

Almost surely, 2^312411401 is an apocalyptic number.

It is an amenable number.

312411401 is a deficient number, since it is larger than the sum of its proper divisors (1).

312411401 is an equidigital number, since it uses as much as digits as its factorization.

312411401 is an evil number, because the sum of its binary digits is even.

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

The square root of 312411401 is about 17675.1633938699. The cubic root of 312411401 is about 678.5402661706.

Adding to 312411401 its reverse (104114213), we get a palindrome (416525614).

The spelling of 312411401 in words is "three hundred twelve million, four hundred eleven thousand, four hundred one".