105522031530 has 40 divisors (see below), whose sum is σ = 283737020292. Its totient is φ = 28139208192.

The previous prime is 105522031523. The next prime is 105522031541. The reversal of 105522031530 is 35130225501.

It is a happy number.

105522031530 is a `hidden beast` number, since 10 + 552 + 20 + 31 + 53 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 105519076569 + 2954961 = 324837^2 + 1719^2 .

It is a super-2 number, since 2×105522031530² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 105522031494 and 105522031503.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65136247 + ... + 65137866.

Almost surely, 2^105522031530 is an apocalyptic number.

105522031530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105522031530 is an abundant number, since it is smaller than the sum of its proper divisors (178214988762).

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

105522031530 is a wasteful number, since it uses less digits than its factorization.

105522031530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130274132 (or 130274123 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 105522031530 in words is "one hundred five billion, five hundred twenty-two million, thirty-one thousand, five hundred thirty".