311434601 has 2 divisors, whose sum is σ = 311434602. Its totient is φ = 311434600.

The previous prime is 311434597. The next prime is 311434621. The reversal of 311434601 is 106434113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295840000 + 15594601 = 17200^2 + 3949^2 .

It is an emirp because it is prime and its reverse (106434113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311434601 - 2² = 311434597 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (311434621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155717300 + 155717301.

It is an arithmetic number, because the mean of its divisors is an integer number (155717301).

Almost surely, 2^311434601 is an apocalyptic number.

It is an amenable number.

311434601 is a deficient number, since it is larger than the sum of its proper divisors (1).

311434601 is an equidigital number, since it uses as much as digits as its factorization.

311434601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 311434601 is about 17647.5097676698. The cubic root of 311434601 is about 677.8323426753.

Adding to 311434601 its reverse (106434113), we get a palindrome (417868714).

The spelling of 311434601 in words is "three hundred eleven million, four hundred thirty-four thousand, six hundred one".