312232103011 has 4 divisors (see below), whose sum is σ = 312249506800. Its totient is φ = 312214699224.

The previous prime is 312232103003. The next prime is 312232103017. The reversal of 312232103011 is 110301232213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110301232213 = 181 ⋅609399073.

It is a cyclic number.

It is not a de Polignac number, because 312232103011 - 2³ = 312232103003 is a prime.

It is a super-2 number, since 2×312232103011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312232103011.

It is not an unprimeable number, because it can be changed into a prime (312232103017) 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, 8674956 + ... + 8710873.

It is an arithmetic number, because the mean of its divisors is an integer number (78062376700).

Almost surely, 2^312232103011 is an apocalyptic number.

312232103011 is a deficient number, since it is larger than the sum of its proper divisors (17403789).

312232103011 is a wasteful number, since it uses less digits than its factorization.

312232103011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17403788.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312232103011 its reverse (110301232213), we get a palindrome (422533335224).

The spelling of 312232103011 in words is "three hundred twelve billion, two hundred thirty-two million, one hundred three thousand, eleven".