10312421087 has 2 divisors, whose sum is σ = 10312421088. Its totient is φ = 10312421086.

The previous prime is 10312421039. The next prime is 10312421137. The reversal of 10312421087 is 78012421301.

It is a weak prime.

It is an emirp because it is prime and its reverse (78012421301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10312421087 - 2⁸ = 10312420831 is a prime.

It is a super-3 number, since 3×10312421087³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10312021087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156210543 + 5156210544.

It is an arithmetic number, because the mean of its divisors is an integer number (5156210544).

Almost surely, 2^10312421087 is an apocalyptic number.

10312421087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312421087 is an equidigital number, since it uses as much as digits as its factorization.

10312421087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 10312421087 its reverse (78012421301), we get a palindrome (88324842388).

The spelling of 10312421087 in words is "ten billion, three hundred twelve million, four hundred twenty-one thousand, eighty-seven".