312100302032 has 40 divisors (see below), whose sum is σ = 652345084296. Its totient is φ = 144099577856.

The previous prime is 312100302023. The next prime is 312100302043. The reversal of 312100302032 is 230203001213.

It can be written as a sum of positive squares in 4 ways, for example, as 200653827136 + 111446474896 = 447944^2 + 333836^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 312100302032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10810373 + ... + 10839204.

Almost surely, 2^312100302032 is an apocalyptic number.

It is an amenable number.

312100302032 is an abundant number, since it is smaller than the sum of its proper divisors (340244782264).

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

312100302032 is a wasteful number, since it uses less digits than its factorization.

312100302032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21649655 (or 21649649 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 312100302032 its reverse (230203001213), we get a palindrome (542303303245).

The spelling of 312100302032 in words is "three hundred twelve billion, one hundred million, three hundred two thousand, thirty-two".