312213246103 has 16 divisors (see below), whose sum is σ = 355954300416. Its totient is φ = 271070023840.

The previous prime is 312213246097. The next prime is 312213246119. The reversal of 312213246103 is 301642312213.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-312213246103 is a prime.

It is a super-2 number, since 2×312213246103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312213246133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789976 + ... + 1117357.

It is an arithmetic number, because the mean of its divisors is an integer number (22247143776).

Almost surely, 2^312213246103 is an apocalyptic number.

312213246103 is a deficient number, since it is larger than the sum of its proper divisors (43741054313).

312213246103 is a wasteful number, since it uses less digits than its factorization.

312213246103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908014.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 312213246103 its reverse (301642312213), we get a palindrome (613855558316).

The spelling of 312213246103 in words is "three hundred twelve billion, two hundred thirteen million, two hundred forty-six thousand, one hundred three".