2103312455 has 8 divisors (see below), whose sum is σ = 2524322112. Its totient is φ = 1682418528.

The previous prime is 2103312439. The next prime is 2103312457. The reversal of 2103312455 is 5542133012.

It is a happy number.

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 2103312455 - 2⁴ = 2103312439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103312457) 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, 17969 + ... + 67301.

It is an arithmetic number, because the mean of its divisors is an integer number (315540264).

Almost surely, 2^2103312455 is an apocalyptic number.

2103312455 is a deficient number, since it is larger than the sum of its proper divisors (421009657).

2103312455 is an equidigital number, since it uses as much as digits as its factorization.

2103312455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57865.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2103312455 is about 45861.8845556961. The cubic root of 2103312455 is about 1281.2521225267.

Adding to 2103312455 its reverse (5542133012), we get a palindrome (7645445467).

The spelling of 2103312455 in words is "two billion, one hundred three million, three hundred twelve thousand, four hundred fifty-five".