315445311206 has 4 divisors (see below), whose sum is σ = 473167966812. Its totient is φ = 157722655602.

The previous prime is 315445311151. The next prime is 315445311227. The reversal of 315445311206 is 602113544513.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78861327800 + ... + 78861327803.

It is an arithmetic number, because the mean of its divisors is an integer number (118291991703).

Almost surely, 2^315445311206 is an apocalyptic number.

315445311206 is a deficient number, since it is larger than the sum of its proper divisors (157722655606).

315445311206 is a wasteful number, since it uses less digits than its factorization.

315445311206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157722655605.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 315445311206 its reverse (602113544513), we get a palindrome (917558855719).

The spelling of 315445311206 in words is "three hundred fifteen billion, four hundred forty-five million, three hundred eleven thousand, two hundred six".