315212311301 has 4 divisors (see below), whose sum is σ = 315223001100. Its totient is φ = 315201621504.

The previous prime is 315212311259. The next prime is 315212311313. The reversal of 315212311301 is 103113212513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272770131076 + 42442180225 = 522274^2 + 206015^2 .

It is a cyclic number.

It is not a de Polignac number, because 315212311301 - 2³⁴ = 298032442117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315212301301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5300546 + ... + 5359683.

It is an arithmetic number, because the mean of its divisors is an integer number (78805750275).

Almost surely, 2^315212311301 is an apocalyptic number.

It is an amenable number.

315212311301 is a deficient number, since it is larger than the sum of its proper divisors (10689799).

315212311301 is a wasteful number, since it uses less digits than its factorization.

315212311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10689798.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 315212311301 its reverse (103113212513), we get a palindrome (418325523814).

The spelling of 315212311301 in words is "three hundred fifteen billion, two hundred twelve million, three hundred eleven thousand, three hundred one".