10311487 has 2 divisors, whose sum is σ = 10311488. Its totient is φ = 10311486.

The previous prime is 10311481. The next prime is 10311527. The reversal of 10311487 is 78411301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10311487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10311481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155743 + 5155744.

It is an arithmetic number, because the mean of its divisors is an integer number (5155744).

Almost surely, 2^10311487 is an apocalyptic number.

10311487 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311487 is an equidigital number, since it uses as much as digits as its factorization.

10311487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 10311487 is about 3211.1504169067. The cubic root of 10311487 is about 217.6575649564.

Adding to 10311487 its reverse (78411301), we get a palindrome (88722788).

The spelling of 10311487 in words is "ten million, three hundred eleven thousand, four hundred eighty-seven".