106031280 has 40 divisors (see below), whose sum is σ = 328697712. Its totient is φ = 28274944.

The previous prime is 106031273. The next prime is 106031297. The reversal of 106031280 is 82130601.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×106031280² = 22485264676876800, which contains 22 as substring.

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, 220659 + ... + 221138.

Almost surely, 2^106031280 is an apocalyptic number.

106031280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106031280 is an abundant number, since it is smaller than the sum of its proper divisors (222666432).

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

106031280 is a wasteful number, since it uses less digits than its factorization.

106031280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441813 (or 441807 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 106031280 is about 10297.1491200235. The cubic root of 106031280 is about 473.3088968848.

Adding to 106031280 its reverse (82130601), we get a palindrome (188161881).

The spelling of 106031280 in words is "one hundred six million, thirty-one thousand, two hundred eighty".