109550331 has 12 divisors (see below), whose sum is σ = 172624920. Its totient is φ = 66394080.

The previous prime is 109550323. The next prime is 109550339. The reversal of 109550331 is 133055901.

109550331 is a `hidden beast` number, since 109 + 550 + 3 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (109550323) and next prime (109550339).

It is not a de Polignac number, because 109550331 - 2³ = 109550323 is a prime.

It is a super-2 number, since 2×109550331² = 24002550044419122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109550295 and 109550304.

It is not an unprimeable number, because it can be changed into a prime (109550339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 553186 + ... + 553383.

It is an arithmetic number, because the mean of its divisors is an integer number (14385410).

Almost surely, 2^109550331 is an apocalyptic number.

109550331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109550331 is a deficient number, since it is larger than the sum of its proper divisors (63074589).

109550331 is a wasteful number, since it uses less digits than its factorization.

109550331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106586 (or 1106583 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 109550331 is about 10466.6294001460. The cubic root of 109550331 is about 478.4881991829.

The spelling of 109550331 in words is "one hundred nine million, five hundred fifty thousand, three hundred thirty-one".