312313310120003 has 4 divisors (see below), whose sum is σ = 312822793497648. Its totient is φ = 311803826742360.

The previous prime is 312313310119991. The next prime is 312313310120017. The reversal of 312313310120003 is 300021013313213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312313310120003 - 2¹⁶ = 312313310054467 is a prime.

It is a super-2 number, since 2×312313310120003² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312313310120033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254741687903 + ... + 254741689128.

It is an arithmetic number, because the mean of its divisors is an integer number (78205698374412).

Almost surely, 2^{312313310120003} is an apocalyptic number.

312313310120003 is a deficient number, since it is larger than the sum of its proper divisors (509483377645).

312313310120003 is an equidigital number, since it uses as much as digits as its factorization.

312313310120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509483377644.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 312313310120003 its reverse (300021013313213), we get a palindrome (612334323433216).

The spelling of 312313310120003 in words is "three hundred twelve trillion, three hundred thirteen billion, three hundred ten million, one hundred twenty thousand, three".