312443103022 has 4 divisors (see below), whose sum is σ = 468664654536. Its totient is φ = 156221551510.

The previous prime is 312443102999. The next prime is 312443103031. The reversal of 312443103022 is 220301344213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220301344213 = 739 ⋅298107367.

It is a super-2 number, since 2×312443103022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78110775754 + ... + 78110775757.

It is an arithmetic number, because the mean of its divisors is an integer number (117166163634).

Almost surely, 2^312443103022 is an apocalyptic number.

312443103022 is a deficient number, since it is larger than the sum of its proper divisors (156221551514).

312443103022 is a wasteful number, since it uses less digits than its factorization.

312443103022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156221551513.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312443103022 its reverse (220301344213), we get a palindrome (532744447235).

The spelling of 312443103022 in words is "three hundred twelve billion, four hundred forty-three million, one hundred three thousand, twenty-two".