131130120203 has 2 divisors, whose sum is σ = 131130120204. Its totient is φ = 131130120202.

The previous prime is 131130120139. The next prime is 131130120221. The reversal of 131130120203 is 302021031131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131130120203 - 2⁶ = 131130120139 is a prime.

It is a super-2 number, since 2×131130120203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131130120503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65565060101 + 65565060102.

It is an arithmetic number, because the mean of its divisors is an integer number (65565060102).

Almost surely, 2^131130120203 is an apocalyptic number.

131130120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131130120203 is an equidigital number, since it uses as much as digits as its factorization.

131130120203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131130120203 its reverse (302021031131), we get a palindrome (433151151334).

The spelling of 131130120203 in words is "one hundred thirty-one billion, one hundred thirty million, one hundred twenty thousand, two hundred three".