312223301003 has 4 divisors (see below), whose sum is σ = 314681752320. Its totient is φ = 309764849688.

The previous prime is 312223300999. The next prime is 312223301009. The reversal of 312223301003 is 300103322213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300103322213 = 23 ⋅13047970531.

It is a cyclic number.

It is not a de Polignac number, because 312223301003 - 2² = 312223300999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312223301009) 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, 1229225468 + ... + 1229225721.

It is an arithmetic number, because the mean of its divisors is an integer number (78670438080).

Almost surely, 2^312223301003 is an apocalyptic number.

312223301003 is a deficient number, since it is larger than the sum of its proper divisors (2458451317).

312223301003 is a wasteful number, since it uses less digits than its factorization.

312223301003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458451316.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312223301003 its reverse (300103322213), we get a palindrome (612326623216).

The spelling of 312223301003 in words is "three hundred twelve billion, two hundred twenty-three million, three hundred one thousand, three".