315650310445 has 4 divisors (see below), whose sum is σ = 378780372540. Its totient is φ = 252520248352.

The previous prime is 315650310431. The next prime is 315650310467. The reversal of 315650310445 is 544013056513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544013056513 = 5233 ⋅103958161.

It can be written as a sum of positive squares in 2 ways, for example, as 157257454249 + 158392856196 = 396557^2 + 397986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315650310445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31565031040 + ... + 31565031049.

It is an arithmetic number, because the mean of its divisors is an integer number (94695093135).

Almost surely, 2^315650310445 is an apocalyptic number.

It is an amenable number.

315650310445 is a deficient number, since it is larger than the sum of its proper divisors (63130062095).

315650310445 is an equidigital number, since it uses as much as digits as its factorization.

315650310445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63130062094.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 315650310445 its reverse (544013056513), we get a palindrome (859663366958).

The spelling of 315650310445 in words is "three hundred fifteen billion, six hundred fifty million, three hundred ten thousand, four hundred forty-five".