10500131399 has 2 divisors, whose sum is σ = 10500131400. Its totient is φ = 10500131398.

The previous prime is 10500131371. The next prime is 10500131407. The reversal of 10500131399 is 99313100501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10500131399 - 2¹² = 10500127303 is a prime.

It is a super-2 number, since 2×10500131399² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10500431399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250065699 + 5250065700.

It is an arithmetic number, because the mean of its divisors is an integer number (5250065700).

Almost surely, 2^10500131399 is an apocalyptic number.

10500131399 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500131399 is an equidigital number, since it uses as much as digits as its factorization.

10500131399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 32.

The spelling of 10500131399 in words is "ten billion, five hundred million, one hundred thirty-one thousand, three hundred ninety-nine".