312520341144441 has 4 divisors (see below), whose sum is σ = 416693788192592. Its totient is φ = 208346894096292.

The previous prime is 312520341144437. The next prime is 312520341144461. The reversal of 312520341144441 is 144441143025213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 312520341144441 - 2² = 312520341144437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312520341144441.

It is not an unprimeable number, because it can be changed into a prime (312520341144461) 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, 52086723524071 + ... + 52086723524076.

It is an arithmetic number, because the mean of its divisors is an integer number (104173447048148).

Almost surely, 2^{312520341144441} is an apocalyptic number.

It is an amenable number.

312520341144441 is a deficient number, since it is larger than the sum of its proper divisors (104173447048151).

312520341144441 is a wasteful number, since it uses less digits than its factorization.

312520341144441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104173447048150.

The product of its (nonzero) digits is 184320, while the sum is 39.

Adding to 312520341144441 its reverse (144441143025213), we get a palindrome (456961484169654).

The spelling of 312520341144441 in words is "three hundred twelve trillion, five hundred twenty billion, three hundred forty-one million, one hundred forty-four thousand, four hundred forty-one".