315312211444 has 12 divisors (see below), whose sum is σ = 552147619968. Its totient is φ = 157555748600.

The previous prime is 315312211439. The next prime is 315312211451. The reversal of 315312211444 is 444112213513.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25082212 + ... + 25094779.

It is an arithmetic number, because the mean of its divisors is an integer number (46012301664).

Almost surely, 2^315312211444 is an apocalyptic number.

It is an amenable number.

315312211444 is a deficient number, since it is larger than the sum of its proper divisors (236835408524).

315312211444 is a wasteful number, since it uses less digits than its factorization.

315312211444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50178566 (or 50178564 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

Adding to 315312211444 its reverse (444112213513), we get a palindrome (759424424957).

The spelling of 315312211444 in words is "three hundred fifteen billion, three hundred twelve million, two hundred eleven thousand, four hundred forty-four".