1881630103 has 2 divisors, whose sum is σ = 1881630104. Its totient is φ = 1881630102.

The previous prime is 1881630071. The next prime is 1881630131. The reversal of 1881630103 is 3010361881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1881630103 - 2⁵ = 1881630071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1881630133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940815051 + 940815052.

It is an arithmetic number, because the mean of its divisors is an integer number (940815052).

Almost surely, 2^1881630103 is an apocalyptic number.

1881630103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1881630103 is an equidigital number, since it uses as much as digits as its factorization.

1881630103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1881630103 is about 43377.7604654735. The cubic root of 1881630103 is about 1234.5577709327.

Adding to 1881630103 its reverse (3010361881), we get a palindrome (4891991984).

The spelling of 1881630103 in words is "one billion, eight hundred eighty-one million, six hundred thirty thousand, one hundred three".