312312101312 has 28 divisors (see below), whose sum is σ = 619918912560. Its totient is φ = 156112060416.

The previous prime is 312312101291. The next prime is 312312101371. The reversal of 312312101312 is 213101213213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457793 + ... + 913344.

Almost surely, 2^312312101312 is an apocalyptic number.

312312101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312312101312 is a deficient number, since it is larger than the sum of its proper divisors (307606811248).

312312101312 is a wasteful number, since it uses less digits than its factorization.

312312101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374708 (or 1374698 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312312101312 its reverse (213101213213), we get a palindrome (525413314525).

The spelling of 312312101312 in words is "three hundred twelve billion, three hundred twelve million, one hundred one thousand, three hundred twelve".