312231103320 has 64 divisors (see below), whose sum is σ = 941868476640. Its totient is φ = 82801612800.

The previous prime is 312231103267. The next prime is 312231103321. The reversal of 312231103320 is 23301132213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312231103321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7165921 + ... + 7209360.

Almost surely, 2^312231103320 is an apocalyptic number.

312231103320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312231103320 is an abundant number, since it is smaller than the sum of its proper divisors (629637373320).

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

312231103320 is a wasteful number, since it uses less digits than its factorization.

312231103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14375476 (or 14375472 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312231103320 its reverse (23301132213), we get a palindrome (335532235533).

The spelling of 312231103320 in words is "three hundred twelve billion, two hundred thirty-one million, one hundred three thousand, three hundred twenty".