10131993061 has 2 divisors, whose sum is σ = 10131993062. Its totient is φ = 10131993060.

The previous prime is 10131993037. The next prime is 10131993101. The reversal of 10131993061 is 16039913101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9810902500 + 321090561 = 99050^2 + 17919^2 .

It is a cyclic number.

It is not a de Polignac number, because 10131993061 - 2¹¹ = 10131991013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10131993031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065996530 + 5065996531.

It is an arithmetic number, because the mean of its divisors is an integer number (5065996531).

Almost surely, 2^10131993061 is an apocalyptic number.

It is an amenable number.

10131993061 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131993061 is an equidigital number, since it uses as much as digits as its factorization.

10131993061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 34.

The spelling of 10131993061 in words is "ten billion, one hundred thirty-one million, nine hundred ninety-three thousand, sixty-one".