311484413 has 2 divisors, whose sum is σ = 311484414. Its totient is φ = 311484412.

The previous prime is 311484409. The next prime is 311484427. The reversal of 311484413 is 314484113.

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., 275460409 + 36024004 = 16597^2 + 6002^2 .

It is an emirp because it is prime and its reverse (314484113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311484413 - 2² = 311484409 is a prime.

It is equal to p_16840280 and since 311484413 and 16840280 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311484403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155742206 + 155742207.

It is an arithmetic number, because the mean of its divisors is an integer number (155742207).

Almost surely, 2^311484413 is an apocalyptic number.

It is an amenable number.

311484413 is a deficient number, since it is larger than the sum of its proper divisors (1).

311484413 is an equidigital number, since it uses as much as digits as its factorization.

311484413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 311484413 is about 17648.9210151782. The cubic root of 311484413 is about 677.8684790847.

The spelling of 311484413 in words is "three hundred eleven million, four hundred eighty-four thousand, four hundred thirteen".