10321131431087 has 2 divisors, whose sum is σ = 10321131431088. Its totient is φ = 10321131431086.

The previous prime is 10321131431081. The next prime is 10321131431111. The reversal of 10321131431087 is 78013413112301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10321131431087 - 2³⁸ = 10046253524143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10321131431081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160565715543 + 5160565715544.

It is an arithmetic number, because the mean of its divisors is an integer number (5160565715544).

Almost surely, 2^{10321131431087} is an apocalyptic number.

10321131431087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321131431087 is an equidigital number, since it uses as much as digits as its factorization.

10321131431087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

Adding to 10321131431087 its reverse (78013413112301), we get a palindrome (88334544543388).

The spelling of 10321131431087 in words is "ten trillion, three hundred twenty-one billion, one hundred thirty-one million, four hundred thirty-one thousand, eighty-seven".