312011330231100 has 36 divisors (see below), whose sum is σ = 902752782136184. Its totient is φ = 83203021394880.

The previous prime is 312011330231071. The next prime is 312011330231197. The reversal of 312011330231100 is 1132033110213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520018883419 + ... + 520018884018.

Almost surely, 2^{312011330231100} is an apocalyptic number.

312011330231100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312011330231100 is an abundant number, since it is smaller than the sum of its proper divisors (590741451905084).

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

312011330231100 is a wasteful number, since it uses less digits than its factorization.

312011330231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040037767454 (or 1040037767447 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 312011330231100 its reverse (1132033110213), we get a palindrome (313143363341313).

The spelling of 312011330231100 in words is "three hundred twelve trillion, eleven billion, three hundred thirty million, two hundred thirty-one thousand, one hundred".