100280330 has 8 divisors (see below), whose sum is σ = 180504612. Its totient is φ = 40112128.

The previous prime is 100280317. The next prime is 100280359. The reversal of 100280330 is 33082001.

It can be written as a sum of positive squares in 2 ways, for example, as 98823481 + 1456849 = 9941^2 + 1207^2 .

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

It is a super-2 number, since 2×100280330² = 20112289169817800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100280299 and 100280308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5014007 + ... + 5014026.

Almost surely, 2^100280330 is an apocalyptic number.

100280330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100280330 is a deficient number, since it is larger than the sum of its proper divisors (80224282).

100280330 is a wasteful number, since it uses less digits than its factorization.

100280330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028040.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 100280330 is about 10014.0066906309. The cubic root of 100280330 is about 464.5922042363.

The spelling of 100280330 in words is "one hundred million, two hundred eighty thousand, three hundred thirty".