311141135663 has 4 divisors (see below), whose sum is σ = 313516258968. Its totient is φ = 308766012360.

The previous prime is 311141135659. The next prime is 311141135677. The reversal of 311141135663 is 366531141113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366531141113 = 19457 ⋅18838009.

It is a cyclic number.

It is not a de Polignac number, because 311141135663 - 2² = 311141135659 is a prime.

It is a super-2 number, since 2×311141135663² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311141135363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187561456 + ... + 1187561717.

It is an arithmetic number, because the mean of its divisors is an integer number (78379064742).

Almost surely, 2^311141135663 is an apocalyptic number.

311141135663 is a deficient number, since it is larger than the sum of its proper divisors (2375123305).

311141135663 is a wasteful number, since it uses less digits than its factorization.

311141135663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375123304.

The product of its digits is 19440, while the sum is 35.

Adding to 311141135663 its reverse (366531141113), we get a palindrome (677672276776).

The spelling of 311141135663 in words is "three hundred eleven billion, one hundred forty-one million, one hundred thirty-five thousand, six hundred sixty-three".