312223101 has 8 divisors (see below), whose sum is σ = 416682720. Its totient is φ = 207956112.

The previous prime is 312223081. The next prime is 312223123. The reversal of 312223101 is 101322213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312223101 - 2⁵ = 312223069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312223141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44331 + ... + 50888.

It is an arithmetic number, because the mean of its divisors is an integer number (52085340).

Almost surely, 2^312223101 is an apocalyptic number.

It is an amenable number.

312223101 is a deficient number, since it is larger than the sum of its proper divisors (104459619).

312223101 is a wasteful number, since it uses less digits than its factorization.

312223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96315.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 312223101 is about 17669.8359075573. The cubic root of 312223101 is about 678.4039130473.

Adding to 312223101 its reverse (101322213), we get a palindrome (413545314).

The spelling of 312223101 in words is "three hundred twelve million, two hundred twenty-three thousand, one hundred one".