311411161255 has 8 divisors (see below), whose sum is σ = 373868931600. Its totient is φ = 249011903616.

The previous prime is 311411161231. The next prime is 311411161289. The reversal of 311411161255 is 552161114113.

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 311411161255 - 2²⁵ = 311377606823 is a prime.

It is a super-2 number, since 2×311411161255² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14616465 + ... + 14637754.

It is an arithmetic number, because the mean of its divisors is an integer number (46733616450).

Almost surely, 2^311411161255 is an apocalyptic number.

311411161255 is a deficient number, since it is larger than the sum of its proper divisors (62457770345).

311411161255 is a wasteful number, since it uses less digits than its factorization.

311411161255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29256353.

The product of its digits is 3600, while the sum is 31.

Adding to 311411161255 its reverse (552161114113), we get a palindrome (863572275368).

The spelling of 311411161255 in words is "three hundred eleven billion, four hundred eleven million, one hundred sixty-one thousand, two hundred fifty-five".