10311317251 has 12 divisors (see below), whose sum is σ = 10506826872. Its totient is φ = 10119374144.

The previous prime is 10311317239. The next prime is 10311317267. The reversal of 10311317251 is 15271311301.

It is not a de Polignac number, because 10311317251 - 2¹⁹ = 10310792963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311317221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2375355 + ... + 2379691.

It is an arithmetic number, because the mean of its divisors is an integer number (875568906).

Almost surely, 2^10311317251 is an apocalyptic number.

10311317251 is a deficient number, since it is larger than the sum of its proper divisors (195509621).

10311317251 is an frugal number, since it uses more digits than its factorization.

10311317251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138 (or 5079 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

Adding to 10311317251 its reverse (15271311301), we get a palindrome (25582628552).

The spelling of 10311317251 in words is "ten billion, three hundred eleven million, three hundred seventeen thousand, two hundred fifty-one".