312103200030 has 64 divisors (see below), whose sum is σ = 753467745600. Its totient is φ = 82737515520.

The previous prime is 312103200023. The next prime is 312103200103. The reversal of 312103200030 is 30002301213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 312103199982 and 312103200009.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4506706 + ... + 4575434.

It is an arithmetic number, because the mean of its divisors is an integer number (11772933525).

Almost surely, 2^312103200030 is an apocalyptic number.

312103200030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312103200030 is an abundant number, since it is smaller than the sum of its proper divisors (441364545570).

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

312103200030 is a wasteful number, since it uses less digits than its factorization.

312103200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69629.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 312103200030 its reverse (30002301213), we get a palindrome (342105501243).

The spelling of 312103200030 in words is "three hundred twelve billion, one hundred three million, two hundred thousand, thirty".