312031110102 has 32 divisors (see below), whose sum is σ = 640993500000. Its totient is φ = 101189058048.

The previous prime is 312031110071. The next prime is 312031110103. The reversal of 312031110102 is 201011130213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312031110103) 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, 2311774 + ... + 2443022.

It is an arithmetic number, because the mean of its divisors is an integer number (20031046875).

Almost surely, 2^312031110102 is an apocalyptic number.

312031110102 is an abundant number, since it is smaller than the sum of its proper divisors (328962389898).

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

312031110102 is a wasteful number, since it uses less digits than its factorization.

312031110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142000.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 312031110102 its reverse (201011130213), we get a palindrome (513042240315).

The spelling of 312031110102 in words is "three hundred twelve billion, thirty-one million, one hundred ten thousand, one hundred two".