315143201501 has 2 divisors, whose sum is σ = 315143201502. Its totient is φ = 315143201500.

The previous prime is 315143201489. The next prime is 315143201507. The reversal of 315143201501 is 105102341513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309770164900 + 5373036601 = 556570^2 + 73301^2 .

It is a cyclic number.

It is not a de Polignac number, because 315143201501 - 2¹⁴ = 315143185117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315143201507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157571600750 + 157571600751.

It is an arithmetic number, because the mean of its divisors is an integer number (157571600751).

Almost surely, 2^315143201501 is an apocalyptic number.

It is an amenable number.

315143201501 is a deficient number, since it is larger than the sum of its proper divisors (1).

315143201501 is an equidigital number, since it uses as much as digits as its factorization.

315143201501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 315143201501 in words is "three hundred fifteen billion, one hundred forty-three million, two hundred one thousand, five hundred one".