131023003031 has 2 divisors, whose sum is σ = 131023003032. Its totient is φ = 131023003030.

The previous prime is 131023003021. The next prime is 131023003079. The reversal of 131023003031 is 130300320131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131023003031 is a prime.

It is a super-2 number, since 2×131023003031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131023003021) 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 as a sum of consecutive naturals, namely, 65511501515 + 65511501516.

It is an arithmetic number, because the mean of its divisors is an integer number (65511501516).

Almost surely, 2^131023003031 is an apocalyptic number.

131023003031 is a deficient number, since it is larger than the sum of its proper divisors (1).

131023003031 is an equidigital number, since it uses as much as digits as its factorization.

131023003031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 131023003031 its reverse (130300320131), we get a palindrome (261323323162).

The spelling of 131023003031 in words is "one hundred thirty-one billion, twenty-three million, three thousand, thirty-one".