312151001 has 2 divisors, whose sum is σ = 312151002. Its totient is φ = 312151000.

The previous prime is 312150967. The next prime is 312151043. The reversal of 312151001 is 100151213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310993225 + 1157776 = 17635^2 + 1076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312151001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312150001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156075500 + 156075501.

It is an arithmetic number, because the mean of its divisors is an integer number (156075501).

Almost surely, 2^312151001 is an apocalyptic number.

It is an amenable number.

312151001 is a deficient number, since it is larger than the sum of its proper divisors (1).

312151001 is an equidigital number, since it uses as much as digits as its factorization.

312151001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 312151001 is about 17667.7955897163. The cubic root of 312151001 is about 678.3516889725.

The spelling of 312151001 in words is "three hundred twelve million, one hundred fifty-one thousand, one".