312140532775 has 6 divisors (see below), whose sum is σ = 387054260672. Its totient is φ = 249712426200.

The previous prime is 312140532731. The next prime is 312140532791. The reversal of 312140532775 is 577235041213.

It is a happy number.

It is not a de Polignac number, because 312140532775 - 2¹³ = 312140524583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6242810631 + ... + 6242810680.

Almost surely, 2^312140532775 is an apocalyptic number.

312140532775 is a deficient number, since it is larger than the sum of its proper divisors (74913727897).

312140532775 is a wasteful number, since it uses less digits than its factorization.

312140532775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12485621321 (or 12485621316 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

Adding to 312140532775 its reverse (577235041213), we get a palindrome (889375573988).

The spelling of 312140532775 in words is "three hundred twelve billion, one hundred forty million, five hundred thirty-two thousand, seven hundred seventy-five".