101031235541 has 2 divisors, whose sum is σ = 101031235542. Its totient is φ = 101031235540.

The previous prime is 101031235537. The next prime is 101031235559. The reversal of 101031235541 is 145532130101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101031165316 + 70225 = 317854^2 + 265^2 .

It is an emirp because it is prime and its reverse (145532130101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101031235541 - 2² = 101031235537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101031235541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101031235141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515617770 + 50515617771.

It is an arithmetic number, because the mean of its divisors is an integer number (50515617771).

Almost surely, 2^101031235541 is an apocalyptic number.

It is an amenable number.

101031235541 is a deficient number, since it is larger than the sum of its proper divisors (1).

101031235541 is an equidigital number, since it uses as much as digits as its factorization.

101031235541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 101031235541 its reverse (145532130101), we get a palindrome (246563365642).

The spelling of 101031235541 in words is "one hundred one billion, thirty-one million, two hundred thirty-five thousand, five hundred forty-one".