105312324031302 has 32 divisors (see below), whose sum is σ = 211308114700800. Its totient is φ = 34990318286048.

The previous prime is 105312324031267. The next prime is 105312324031349. The reversal of 105312324031302 is 203130423213501.

It is a super-2 number, since 2×105312324031302² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105312324031302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11701152 + ... + 18642467.

It is an arithmetic number, because the mean of its divisors is an integer number (6603378584400).

Almost surely, 2^{105312324031302} is an apocalyptic number.

105312324031302 is an abundant number, since it is smaller than the sum of its proper divisors (105995790669498).

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

105312324031302 is a wasteful number, since it uses less digits than its factorization.

105312324031302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30345500.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 105312324031302 its reverse (203130423213501), we get a palindrome (308442747244803).

The spelling of 105312324031302 in words is "one hundred five trillion, three hundred twelve billion, three hundred twenty-four million, thirty-one thousand, three hundred two".