2103071655 has 16 divisors (see below), whose sum is σ = 3367792224. Its totient is φ = 1120679040.

The previous prime is 2103071653. The next prime is 2103071693. The reversal of 2103071655 is 5561703012.

It is not a de Polignac number, because 2103071655 - 2¹ = 2103071653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103071653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41644 + ... + 77073.

It is an arithmetic number, because the mean of its divisors is an integer number (210487014).

Almost surely, 2^2103071655 is an apocalyptic number.

2103071655 is a deficient number, since it is larger than the sum of its proper divisors (1264720569).

2103071655 is a wasteful number, since it uses less digits than its factorization.

2103071655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119906.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 2103071655 is about 45859.2592068385. The cubic root of 2103071655 is about 1281.2032254826.

Adding to 2103071655 its reverse (5561703012), we get a palindrome (7664774667).

The spelling of 2103071655 in words is "two billion, one hundred three million, seventy-one thousand, six hundred fifty-five".