127312931273 has 8 divisors (see below), whose sum is σ = 138913754976. Its totient is φ = 115716594400.

The previous prime is 127312931257. The next prime is 127312931293. The reversal of 127312931273 is 372139213721.

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

It is not a de Polignac number, because 127312931273 - 2⁴ = 127312931257 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 127312931273.

It is not an unprimeable number, because it can be changed into a prime (127312931243) 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, 1062236 + ... + 1175997.

It is an arithmetic number, because the mean of its divisors is an integer number (17364219372).

Almost surely, 2^127312931273 is an apocalyptic number.

It is an amenable number.

127312931273 is a deficient number, since it is larger than the sum of its proper divisors (11600823703).

127312931273 is a wasteful number, since it uses less digits than its factorization.

127312931273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243415.

The product of its digits is 95256, while the sum is 41.

The spelling of 127312931273 in words is "one hundred twenty-seven billion, three hundred twelve million, nine hundred thirty-one thousand, two hundred seventy-three".