312105660611 has 16 divisors (see below), whose sum is σ = 330418677600. Its totient is φ = 294297819648.

The previous prime is 312105660593. The next prime is 312105660677. The reversal of 312105660611 is 116066501213.

It is a cyclic number.

It is not a de Polignac number, because 312105660611 - 2²² = 312101466307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312105660311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17085995 + ... + 17104251.

It is an arithmetic number, because the mean of its divisors is an integer number (20651167350).

Almost surely, 2^312105660611 is an apocalyptic number.

312105660611 is a deficient number, since it is larger than the sum of its proper divisors (18313016989).

312105660611 is a wasteful number, since it uses less digits than its factorization.

312105660611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32038.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 312105660611 in words is "three hundred twelve billion, one hundred five million, six hundred sixty thousand, six hundred eleven".