312320032210 has 16 divisors (see below), whose sum is σ = 562197352536. Its totient is φ = 124923280768.

The previous prime is 312320032181. The next prime is 312320032223. The reversal of 312320032210 is 12230023213.

It can be written as a sum of positive squares in 4 ways, for example, as 273124347769 + 39195684441 = 522613^2 + 197979^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307837 + ... + 848176.

Almost surely, 2^312320032210 is an apocalyptic number.

312320032210 is a deficient number, since it is larger than the sum of its proper divisors (249877320326).

312320032210 is a wasteful number, since it uses less digits than its factorization.

312320032210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183037.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 312320032210 its reverse (12230023213), we get a palindrome (324550055423).

The spelling of 312320032210 in words is "three hundred twelve billion, three hundred twenty million, thirty-two thousand, two hundred ten".