101030131 has 2 divisors, whose sum is σ = 101030132. Its totient is φ = 101030130.

The previous prime is 101030117. The next prime is 101030159. The reversal of 101030131 is 131030101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101030131 - 2⁹ = 101029619 is a prime.

It is a super-2 number, since 2×101030131² = 20414174739754322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101030101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515065 + 50515066.

It is an arithmetic number, because the mean of its divisors is an integer number (50515066).

Almost surely, 2^101030131 is an apocalyptic number.

101030131 is a deficient number, since it is larger than the sum of its proper divisors (1).

101030131 is an equidigital number, since it uses as much as digits as its factorization.

101030131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 101030131 is about 10051.3745826131. The cubic root of 101030131 is about 465.7472565236.

Adding to 101030131 its reverse (131030101), we get a palindrome (232060232).

The spelling of 101030131 in words is "one hundred one million, thirty thousand, one hundred thirty-one".