312843102 has 128 divisors (see below), whose sum is σ = 780337152. Its totient is φ = 82262400.

The previous prime is 312843101. The next prime is 312843109. The reversal of 312843102 is 201348213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312843101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1637827 + ... + 1638017.

It is an arithmetic number, because the mean of its divisors is an integer number (6096384).

Almost surely, 2^312843102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312843102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390168576).

312843102 is an abundant number, since it is smaller than the sum of its proper divisors (467494050).

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

312843102 is a wasteful number, since it uses less digits than its factorization.

312843102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 312843102 is about 17687.3712574820. The cubic root of 312843102 is about 678.8526658767.

The spelling of 312843102 in words is "three hundred twelve million, eight hundred forty-three thousand, one hundred two".