311122313313 has 32 divisors (see below), whose sum is σ = 480509949696. Its totient is φ = 175388848128.

The previous prime is 311122313311. The next prime is 311122313317. The reversal of 311122313313 is 313313221113.

It is not a de Polignac number, because 311122313313 - 2¹ = 311122313311 is a prime.

311122313313 is a modest number, since divided by 313313 gives 311122 as remainder.

It is not an unprimeable number, because it can be changed into a prime (311122313311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393595 + ... + 881567.

It is an arithmetic number, because the mean of its divisors is an integer number (15015935928).

Almost surely, 2^311122313313 is an apocalyptic number.

It is an amenable number.

311122313313 is a deficient number, since it is larger than the sum of its proper divisors (169387636383).

311122313313 is a wasteful number, since it uses less digits than its factorization.

311122313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488393.

The product of its digits is 972, while the sum is 24.

Adding to 311122313313 its reverse (313313221113), we get a palindrome (624435534426).

The spelling of 311122313313 in words is "three hundred eleven billion, one hundred twenty-two million, three hundred thirteen thousand, three hundred thirteen".