312227029 has 2 divisors, whose sum is σ = 312227030. Its totient is φ = 312227028.

The previous prime is 312227011. The next prime is 312227089. The reversal of 312227029 is 920722213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308950929 + 3276100 = 17577^2 + 1810^2 .

It is a cyclic number.

It is not a de Polignac number, because 312227029 - 2²³ = 303838421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312226988 and 312227006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312227089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156113514 + 156113515.

It is an arithmetic number, because the mean of its divisors is an integer number (156113515).

Almost surely, 2^312227029 is an apocalyptic number.

It is an amenable number.

312227029 is a deficient number, since it is larger than the sum of its proper divisors (1).

312227029 is an equidigital number, since it uses as much as digits as its factorization.

312227029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 312227029 is about 17669.9470570797. The cubic root of 312227029 is about 678.4067579781.

The spelling of 312227029 in words is "three hundred twelve million, two hundred twenty-seven thousand, twenty-nine".