312445352211 has 4 divisors (see below), whose sum is σ = 416593802952. Its totient is φ = 208296901472.

The previous prime is 312445352203. The next prime is 312445352243. The reversal of 312445352211 is 112253544213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112253544213 = 3 ⋅37417848071.

It is a cyclic number.

It is not a de Polignac number, because 312445352211 - 2³ = 312445352203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312445352201) 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, 52074225366 + ... + 52074225371.

It is an arithmetic number, because the mean of its divisors is an integer number (104148450738).

Almost surely, 2^312445352211 is an apocalyptic number.

312445352211 is a deficient number, since it is larger than the sum of its proper divisors (104148450741).

312445352211 is a wasteful number, since it uses less digits than its factorization.

312445352211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104148450740.

The product of its digits is 28800, while the sum is 33.

Adding to 312445352211 its reverse (112253544213), we get a palindrome (424698896424).

The spelling of 312445352211 in words is "three hundred twelve billion, four hundred forty-five million, three hundred fifty-two thousand, two hundred eleven".