312000110323021 has 8 divisors (see below), whose sum is σ = 314011676196504. Its totient is φ = 309992865752640.

The previous prime is 312000110322997. The next prime is 312000110323039. The reversal of 312000110323021 is 120323011000213.

It can be written as a sum of positive squares in 4 ways, for example, as 169001300002500 + 142998810320521 = 13000050^2 + 11958211^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 312000110323021 - 2¹⁷ = 312000110191949 is a prime.

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 312000110323021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000110323061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080180910 + ... + 1080469711.

It is an arithmetic number, because the mean of its divisors is an integer number (39251459524563).

Almost surely, 2^{312000110323021} is an apocalyptic number.

It is an amenable number.

312000110323021 is a deficient number, since it is larger than the sum of its proper divisors (2011565873483).

312000110323021 is a wasteful number, since it uses less digits than its factorization.

312000110323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160651551.

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

Adding to 312000110323021 its reverse (120323011000213), we get a palindrome (432323121323234).

The spelling of 312000110323021 in words is "three hundred twelve trillion, one hundred ten million, three hundred twenty-three thousand, twenty-one".