311661444166113 has 8 divisors (see below), whose sum is σ = 415549210168800. Its totient is φ = 207773987137088.

The previous prime is 311661444166091. The next prime is 311661444166133.

311661444166113 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 311661444166113 - 2¹⁶ = 311661444100577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311661444166133) 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, 74879448 + ... + 78931961.

It is an arithmetic number, because the mean of its divisors is an integer number (51943651271100).

Almost surely, 2^{311661444166113} is an apocalyptic number.

It is an amenable number.

311661444166113 is a deficient number, since it is larger than the sum of its proper divisors (103887766002687).

311661444166113 is a wasteful number, since it uses less digits than its factorization.

311661444166113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154486831.

The product of its digits is 746496, while the sum is 48.

The spelling of 311661444166113 in words is "three hundred eleven trillion, six hundred sixty-one billion, four hundred forty-four million, one hundred sixty-six thousand, one hundred thirteen".