100531220354 has 8 divisors (see below), whose sum is σ = 151201112700. Its totient is φ = 50130849456.

The previous prime is 100531220353. The next prime is 100531220381. The reversal of 100531220354 is 453022135001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87543199129 + 12988021225 = 295877^2 + 113965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100531220353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67379429 + ... + 67380920.

Almost surely, 2^100531220354 is an apocalyptic number.

100531220354 is a deficient number, since it is larger than the sum of its proper divisors (50669892346).

100531220354 is a wasteful number, since it uses less digits than its factorization.

100531220354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134760724.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 100531220354 its reverse (453022135001), we get a palindrome (553553355355).

The spelling of 100531220354 in words is "one hundred billion, five hundred thirty-one million, two hundred twenty thousand, three hundred fifty-four".