311411161361 has 16 divisors (see below), whose sum is σ = 323687938560. Its totient is φ = 299237742720.

The previous prime is 311411161351. The next prime is 311411161367. The reversal of 311411161361 is 163161114113.

It is a cyclic number.

It is not a de Polignac number, because 311411161361 - 2⁶ = 311411161297 is a prime.

It is a super-2 number, since 2×311411161361² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311411161367) 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, 40162661 + ... + 40170413.

It is an arithmetic number, because the mean of its divisors is an integer number (20230496160).

Almost surely, 2^311411161361 is an apocalyptic number.

It is an amenable number.

311411161361 is a deficient number, since it is larger than the sum of its proper divisors (12276777199).

311411161361 is a wasteful number, since it uses less digits than its factorization.

311411161361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14216.

The product of its digits is 1296, while the sum is 29.

Adding to 311411161361 its reverse (163161114113), we get a palindrome (474572275474).

The spelling of 311411161361 in words is "three hundred eleven billion, four hundred eleven million, one hundred sixty-one thousand, three hundred sixty-one".