312127755712231 has 4 divisors (see below), whose sum is σ = 312130089180000. Its totient is φ = 312125422244464.

The previous prime is 312127755712229. The next prime is 312127755712249. The reversal of 312127755712231 is 132217557721213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312127755712231 - 2¹ = 312127755712229 is a prime.

It is a super-2 number, since 2×312127755712231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312127755712261) 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, 1166533231 + ... + 1166800768.

It is an arithmetic number, because the mean of its divisors is an integer number (78032522295000).

Almost surely, 2^{312127755712231} is an apocalyptic number.

312127755712231 is a deficient number, since it is larger than the sum of its proper divisors (2333467769).

312127755712231 is a wasteful number, since it uses less digits than its factorization.

312127755712231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333467768.

The product of its digits is 1234800, while the sum is 49.

The spelling of 312127755712231 in words is "three hundred twelve trillion, one hundred twenty-seven billion, seven hundred fifty-five million, seven hundred twelve thousand, two hundred thirty-one".