312071018545 has 32 divisors (see below), whose sum is σ = 455125547520. Its totient is φ = 202277994240.

The previous prime is 312071018543. The next prime is 312071018591. The reversal of 312071018545 is 545810170213.

It is not a de Polignac number, because 312071018545 - 2¹ = 312071018543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312071018543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7504489 + ... + 7545958.

It is an arithmetic number, because the mean of its divisors is an integer number (14222673360).

Almost surely, 2^312071018545 is an apocalyptic number.

It is an amenable number.

312071018545 is a deficient number, since it is larger than the sum of its proper divisors (143054528975).

312071018545 is a wasteful number, since it uses less digits than its factorization.

312071018545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15050505.

The product of its (nonzero) digits is 33600, while the sum is 37.

Adding to 312071018545 its reverse (545810170213), we get a palindrome (857881188758).

The spelling of 312071018545 in words is "three hundred twelve billion, seventy-one million, eighteen thousand, five hundred forty-five".