101231010131 has 2 divisors, whose sum is σ = 101231010132. Its totient is φ = 101231010130.

The previous prime is 101231010121. The next prime is 101231010227. The reversal of 101231010131 is 131010132101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101231010131 - 2³⁰ = 100157268307 is a prime.

It is a super-2 number, since 2×101231010131² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (101231010121) 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, 50615505065 + 50615505066.

It is an arithmetic number, because the mean of its divisors is an integer number (50615505066).

Almost surely, 2^101231010131 is an apocalyptic number.

101231010131 is a deficient number, since it is larger than the sum of its proper divisors (1).

101231010131 is an equidigital number, since it uses as much as digits as its factorization.

101231010131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101231010131 its reverse (131010132101), we get a palindrome (232241142232).

The spelling of 101231010131 in words is "one hundred one billion, two hundred thirty-one million, ten thousand, one hundred thirty-one".