312320232642 has 32 divisors (see below), whose sum is σ = 681450479424. Its totient is φ = 94639089600.

The previous prime is 312320232629. The next prime is 312320232643. The reversal of 312320232642 is 246232023213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312320232643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2241108 + ... + 2376384.

It is an arithmetic number, because the mean of its divisors is an integer number (21295327482).

Almost surely, 2^312320232642 is an apocalyptic number.

312320232642 is an abundant number, since it is smaller than the sum of its proper divisors (369130246782).

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

312320232642 is a wasteful number, since it uses less digits than its factorization.

312320232642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170274.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 312320232642 its reverse (246232023213), we get a palindrome (558552255855).

The spelling of 312320232642 in words is "three hundred twelve billion, three hundred twenty million, two hundred thirty-two thousand, six hundred forty-two".