312000097 has 2 divisors, whose sum is σ = 312000098. Its totient is φ = 312000096.

The previous prime is 312000077. The next prime is 312000127. The reversal of 312000097 is 790000213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174266401 + 137733696 = 13201^2 + 11736^2 .

It is a cyclic number.

It is not a de Polignac number, because 312000097 - 2¹⁵ = 311967329 is a prime.

It is not a weakly prime, because it can be changed into another prime (312000077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156000048 + 156000049.

It is an arithmetic number, because the mean of its divisors is an integer number (156000049).

Almost surely, 2^312000097 is an apocalyptic number.

It is an amenable number.

312000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

312000097 is an equidigital number, since it uses as much as digits as its factorization.

312000097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 312000097 is about 17663.5244784273. The cubic root of 312000097 is about 678.2423588908.

The spelling of 312000097 in words is "three hundred twelve million, ninety-seven", and thus it is an aban number.