311124413 has 2 divisors, whose sum is σ = 311124414. Its totient is φ = 311124412.

The previous prime is 311124347. The next prime is 311124419. The reversal of 311124413 is 314421113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247810564 + 63313849 = 15742^2 + 7957^2 .

It is an emirp because it is prime and its reverse (314421113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311124413 - 2¹⁰ = 311123389 is a prime.

It is equal to p_16822001 and since 311124413 and 16822001 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 (311124419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155562206 + 155562207.

It is an arithmetic number, because the mean of its divisors is an integer number (155562207).

Almost surely, 2^311124413 is an apocalyptic number.

It is an amenable number.

311124413 is a deficient number, since it is larger than the sum of its proper divisors (1).

311124413 is an equidigital number, since it uses as much as digits as its factorization.

311124413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 311124413 is about 17638.7191428403. The cubic root of 311124413 is about 677.6072282090.

Adding to 311124413 its reverse (314421113), we get a palindrome (625545526).

The spelling of 311124413 in words is "three hundred eleven million, one hundred twenty-four thousand, four hundred thirteen".