312234829 has 2 divisors, whose sum is σ = 312234830. Its totient is φ = 312234828.

The previous prime is 312234827. The next prime is 312234833. The reversal of 312234829 is 928432213.

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., 312228900 + 5929 = 17670^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 312234829 - 2¹ = 312234827 is a prime.

Together with 312234827, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 312234794 and 312234803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312234827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156117414 + 156117415.

It is an arithmetic number, because the mean of its divisors is an integer number (156117415).

Almost surely, 2^312234829 is an apocalyptic number.

It is an amenable number.

312234829 is a deficient number, since it is larger than the sum of its proper divisors (1).

312234829 is an equidigital number, since it uses as much as digits as its factorization.

312234829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 312234829 is about 17670.1677694356. The cubic root of 312234829 is about 678.4124072100.

The spelling of 312234829 in words is "three hundred twelve million, two hundred thirty-four thousand, eight hundred twenty-nine".