2103312091 has 8 divisors (see below), whose sum is σ = 2127562560. Its totient is φ = 2079190848.

The previous prime is 2103312089. The next prime is 2103312121. The reversal of 2103312091 is 1902133012.

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

It is a cyclic number.

It is not a de Polignac number, because 2103312091 - 2¹ = 2103312089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103312011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625 + ... + 64861.

It is an arithmetic number, because the mean of its divisors is an integer number (265945320).

Almost surely, 2^2103312091 is an apocalyptic number.

2103312091 is a deficient number, since it is larger than the sum of its proper divisors (24250469).

2103312091 is a wasteful number, since it uses less digits than its factorization.

2103312091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64613.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2103312091 is about 45861.8805872590. The cubic root of 2103312091 is about 1281.2520486154.

It can be divided in two parts, 21033 and 12091, that added together give a square (33124 = 182²).

The spelling of 2103312091 in words is "two billion, one hundred three million, three hundred twelve thousand, ninety-one".