311320103401 has 2 divisors, whose sum is σ = 311320103402. Its totient is φ = 311320103400.

The previous prime is 311320103327. The next prime is 311320103407. The reversal of 311320103401 is 104301023113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162054553600 + 149265549801 = 402560^2 + 386349^2 .

It is a cyclic number.

It is not a de Polignac number, because 311320103401 - 2¹¹ = 311320101353 is a prime.

It is not a weakly prime, because it can be changed into another prime (311320103407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155660051700 + 155660051701.

It is an arithmetic number, because the mean of its divisors is an integer number (155660051701).

Almost surely, 2^311320103401 is an apocalyptic number.

It is an amenable number.

311320103401 is a deficient number, since it is larger than the sum of its proper divisors (1).

311320103401 is an equidigital number, since it uses as much as digits as its factorization.

311320103401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 311320103401 its reverse (104301023113), we get a palindrome (415621126514).

The spelling of 311320103401 in words is "three hundred eleven billion, three hundred twenty million, one hundred three thousand, four hundred one".