2109101306 has 64 divisors (see below), whose sum is σ = 3640412160. Its totient is φ = 909377280.

The previous prime is 2109101287. The next prime is 2109101329. The reversal of 2109101306 is 6031019012.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5874755 + ... + 5875113.

It is an arithmetic number, because the mean of its divisors is an integer number (56881440).

Almost surely, 2^2109101306 is an apocalyptic number.

2109101306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2109101306 is a deficient number, since it is larger than the sum of its proper divisors (1531310854).

2109101306 is a wasteful number, since it uses less digits than its factorization.

2109101306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 2109101306 is about 45924.9529776569. The cubic root of 2109101306 is about 1282.4264897379.

The spelling of 2109101306 in words is "two billion, one hundred nine million, one hundred one thousand, three hundred six".