312203110231100 has 36 divisors (see below), whose sum is σ = 739069908222408. Its totient is φ = 113528403720000.

The previous prime is 312203110231087. The next prime is 312203110231127. The reversal of 312203110231100 is 1132011302213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 141910503551 + ... + 141910505750.

Almost surely, 2^{312203110231100} is an apocalyptic number.

It is an amenable number.

312203110231100 is an abundant number, since it is smaller than the sum of its proper divisors (426866797991308).

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

312203110231100 is a wasteful number, since it uses less digits than its factorization.

312203110231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283821009326 (or 283821009319 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312203110231100 its reverse (1132011302213), we get a palindrome (313335121533313).

The spelling of 312203110231100 in words is "three hundred twelve trillion, two hundred three billion, one hundred ten million, two hundred thirty-one thousand, one hundred".