312100311011 has 4 divisors (see below), whose sum is σ = 312101726832. Its totient is φ = 312098895192.

The previous prime is 312100310971. The next prime is 312100311031. The reversal of 312100311011 is 110113001213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110113001213 = 401 ⋅274596013.

It is a cyclic number.

It is not a de Polignac number, because 312100311011 - 2¹⁰ = 312100309987 is a prime.

It is a super-3 number, since 3×312100311011³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312100311031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298220 + ... + 844473.

It is an arithmetic number, because the mean of its divisors is an integer number (78025431708).

Almost surely, 2^312100311011 is an apocalyptic number.

312100311011 is a deficient number, since it is larger than the sum of its proper divisors (1415821).

312100311011 is a wasteful number, since it uses less digits than its factorization.

312100311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415820.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 312100311011 its reverse (110113001213), we get a palindrome (422213312224).

The spelling of 312100311011 in words is "three hundred twelve billion, one hundred million, three hundred eleven thousand, eleven".