311231000112011 has 16 divisors (see below), whose sum is σ = 356823311417280. Its totient is φ = 265921414725120.

The previous prime is 311231000112007. The next prime is 311231000112101. The reversal of 311231000112011 is 110211000132113.

It is not a de Polignac number, because 311231000112011 - 2² = 311231000112007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311231000115011) 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, 90644951 + ... + 94015791.

It is an arithmetic number, because the mean of its divisors is an integer number (22301456963580).

Almost surely, 2^{311231000112011} is an apocalyptic number.

311231000112011 is a deficient number, since it is larger than the sum of its proper divisors (45592311305269).

311231000112011 is a wasteful number, since it uses less digits than its factorization.

311231000112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412774.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 311231000112011 its reverse (110211000132113), we get a palindrome (421442000244124).

The spelling of 311231000112011 in words is "three hundred eleven trillion, two hundred thirty-one billion, one hundred twelve thousand, eleven".