10031211061 has 2 divisors, whose sum is σ = 10031211062. Its totient is φ = 10031211060.

The previous prime is 10031211017. The next prime is 10031211079. The reversal of 10031211061 is 16011213001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9241938225 + 789272836 = 96135^2 + 28094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10031211061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031211661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015605530 + 5015605531.

It is an arithmetic number, because the mean of its divisors is an integer number (5015605531).

Almost surely, 2^10031211061 is an apocalyptic number.

It is an amenable number.

10031211061 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031211061 is an equidigital number, since it uses as much as digits as its factorization.

10031211061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10031211061 its reverse (16011213001), we get a palindrome (26042424062).

The spelling of 10031211061 in words is "ten billion, thirty-one million, two hundred eleven thousand, sixty-one".