313203123011987 has 8 divisors (see below), whose sum is σ = 337703525446896. Its totient is φ = 288760985507232.

The previous prime is 313203123011917. The next prime is 313203123011993. The reversal of 313203123011987 is 789110321302313.

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 313203123011987 - 2²² = 313203118817683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313203123011917) 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, 14566221368 + ... + 14566242869.

It is an arithmetic number, because the mean of its divisors is an integer number (42212940680862).

Almost surely, 2^{313203123011987} is an apocalyptic number.

313203123011987 is a deficient number, since it is larger than the sum of its proper divisors (24500402434909).

313203123011987 is a wasteful number, since it uses less digits than its factorization.

313203123011987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29132465077.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 313203123011987 in words is "three hundred thirteen trillion, two hundred three billion, one hundred twenty-three million, eleven thousand, nine hundred eighty-seven".