10131244399 has 2 divisors, whose sum is σ = 10131244400. Its totient is φ = 10131244398.

The previous prime is 10131244381. The next prime is 10131244433. The reversal of 10131244399 is 99344213101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10131244399 - 2⁹ = 10131243887 is a prime.

It is a super-2 number, since 2×10131244399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10131244339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065622199 + 5065622200.

It is an arithmetic number, because the mean of its divisors is an integer number (5065622200).

Almost surely, 2^10131244399 is an apocalyptic number.

10131244399 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131244399 is an equidigital number, since it uses as much as digits as its factorization.

10131244399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 10131244399 in words is "ten billion, one hundred thirty-one million, two hundred forty-four thousand, three hundred ninety-nine".