312111210313 has 24 divisors (see below), whose sum is σ = 366027371424. Its totient is φ = 265345516800.

The previous prime is 312111210311. The next prime is 312111210343. The reversal of 312111210313 is 313012111213.

It is not a de Polignac number, because 312111210313 - 2¹ = 312111210311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312111210311) 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 23 ways as a sum of consecutive naturals, for example, 13667481 + ... + 13690297.

It is an arithmetic number, because the mean of its divisors is an integer number (15251140476).

Almost surely, 2^312111210313 is an apocalyptic number.

It is an amenable number.

312111210313 is a deficient number, since it is larger than the sum of its proper divisors (53916161111).

312111210313 is a wasteful number, since it uses less digits than its factorization.

312111210313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25093 (or 25086 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 312111210313 its reverse (313012111213), we get a palindrome (625123321526).

The spelling of 312111210313 in words is "three hundred twelve billion, one hundred eleven million, two hundred ten thousand, three hundred thirteen".