319887450514121 has 8 divisors (see below), whose sum is σ = 367605467995584. Its totient is φ = 272674385598960.

The previous prime is 319887450514109. The next prime is 319887450514127. The reversal of 319887450514121 is 121415054788913.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 319887450514121 - 2²² = 319887446319817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (319887450514127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126238140215 + ... + 126238142748.

It is an arithmetic number, because the mean of its divisors is an integer number (45950683499448).

Almost surely, 2^{319887450514121} is an apocalyptic number.

It is an amenable number.

319887450514121 is a deficient number, since it is larger than the sum of its proper divisors (47718017481463).

319887450514121 is a wasteful number, since it uses less digits than its factorization.

319887450514121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252476283151.

The product of its (nonzero) digits is 9676800, while the sum is 59.

The spelling of 319887450514121 in words is "three hundred nineteen trillion, eight hundred eighty-seven billion, four hundred fifty million, five hundred fourteen thousand, one hundred twenty-one".