312211023330030 has 128 divisors (see below), whose sum is σ = 817840723138560. Its totient is φ = 75649059077760.

The previous prime is 312211023330023. The next prime is 312211023330043. The reversal of 312211023330030 is 30033320112213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5531410989 + ... + 5531467431.

It is an arithmetic number, because the mean of its divisors is an integer number (6389380649520).

Almost surely, 2^{312211023330030} is an apocalyptic number.

312211023330030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312211023330030 is an abundant number, since it is smaller than the sum of its proper divisors (505629699808530).

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

312211023330030 is a wasteful number, since it uses less digits than its factorization.

312211023330030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64686.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 312211023330030 its reverse (30033320112213), we get a palindrome (342244343442243).

The spelling of 312211023330030 in words is "three hundred twelve trillion, two hundred eleven billion, twenty-three million, three hundred thirty thousand, thirty".