105312620308 has 24 divisors (see below), whose sum is σ = 210632183552. Its totient is φ = 45132492384.

The previous prime is 105312620299. The next prime is 105312620351. The reversal of 105312620308 is 803026213501.

It is a super-2 number, since 2×105312620308² (a number of 23 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 105312620308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447285 + ... + 1518307.

Almost surely, 2^105312620308 is an apocalyptic number.

It is an amenable number.

105312620308 is an abundant number, since it is smaller than the sum of its proper divisors (105319563244).

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

105312620308 is a wasteful number, since it uses less digits than its factorization.

105312620308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123991 (or 123989 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 105312620308 its reverse (803026213501), we get a palindrome (908338833809).

The spelling of 105312620308 in words is "one hundred five billion, three hundred twelve million, six hundred twenty thousand, three hundred eight".