312113213202 has 16 divisors (see below), whose sum is σ = 713401630272. Its totient is φ = 89175203760.

The previous prime is 312113213173. The next prime is 312113213257. The reversal of 312113213202 is 202312311213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3715633449 + ... + 3715633532.

It is an arithmetic number, because the mean of its divisors is an integer number (44587601892).

Almost surely, 2^312113213202 is an apocalyptic number.

312113213202 is an abundant number, since it is smaller than the sum of its proper divisors (401288417070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312113213202 is a wasteful number, since it uses less digits than its factorization.

312113213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431266993.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312113213202 its reverse (202312311213), we get a palindrome (514425524415).

The spelling of 312113213202 in words is "three hundred twelve billion, one hundred thirteen million, two hundred thirteen thousand, two hundred two".