312030413 has 2 divisors, whose sum is σ = 312030414. Its totient is φ = 312030412.

The previous prime is 312030347. The next prime is 312030419. The reversal of 312030413 is 314030213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181225444 + 130804969 = 13462^2 + 11437^2 .

It is a cyclic number.

It is not a de Polignac number, because 312030413 - 2¹⁸ = 311768269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312030391 and 312030400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312030419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156015206 + 156015207.

It is an arithmetic number, because the mean of its divisors is an integer number (156015207).

Almost surely, 2^312030413 is an apocalyptic number.

It is an amenable number.

312030413 is a deficient number, since it is larger than the sum of its proper divisors (1).

312030413 is an equidigital number, since it uses as much as digits as its factorization.

312030413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 312030413 is about 17664.3826102131. The cubic root of 312030413 is about 678.2643256889.

Adding to 312030413 its reverse (314030213), we get a palindrome (626060626).

It can be divided in two parts, 3120 and 30413, that added together give a palindrome (33533).

The spelling of 312030413 in words is "three hundred twelve million, thirty thousand, four hundred thirteen".