130405100503 has 2 divisors, whose sum is σ = 130405100504. Its totient is φ = 130405100502.

The previous prime is 130405100491. The next prime is 130405100591. The reversal of 130405100503 is 305001504031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130405100503 - 2⁹ = 130405099991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130405200503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65202550251 + 65202550252.

It is an arithmetic number, because the mean of its divisors is an integer number (65202550252).

Almost surely, 2^130405100503 is an apocalyptic number.

130405100503 is a deficient number, since it is larger than the sum of its proper divisors (1).

130405100503 is an equidigital number, since it uses as much as digits as its factorization.

130405100503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 130405100503 its reverse (305001504031), we get a palindrome (435406604534).

The spelling of 130405100503 in words is "one hundred thirty billion, four hundred five million, one hundred thousand, five hundred three".