312320221311030 has 32 divisors (see below), whose sum is σ = 757296041783904. Its totient is φ = 82426780056576.

The previous prime is 312320221311019. The next prime is 312320221311031. The reversal of 312320221311030 is 30113122023213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312320221311031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53663265357 + ... + 53663271176.

It is an arithmetic number, because the mean of its divisors is an integer number (23665501305747).

Almost surely, 2^{312320221311030} is an apocalyptic number.

312320221311030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312320221311030 is an abundant number, since it is smaller than the sum of its proper divisors (444975820472874).

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

312320221311030 is a wasteful number, since it uses less digits than its factorization.

312320221311030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107326536640.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 312320221311030 its reverse (30113122023213), we get a palindrome (342433343334243).

The spelling of 312320221311030 in words is "three hundred twelve trillion, three hundred twenty billion, two hundred twenty-one million, three hundred eleven thousand, thirty".