10315111243 has 4 divisors (see below), whose sum is σ = 10316065320. Its totient is φ = 10314157168.

The previous prime is 10315111237. The next prime is 10315111249. The reversal of 10315111243 is 34211151301.

It is a happy number.

10315111243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10315111237) and next prime (10315111249).

It is a cyclic number.

It is not a de Polignac number, because 10315111243 - 2⁹ = 10315110731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10315111249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460633 + ... + 482506.

It is an arithmetic number, because the mean of its divisors is an integer number (2579016330).

Almost surely, 2^10315111243 is an apocalyptic number.

10315111243 is a deficient number, since it is larger than the sum of its proper divisors (954077).

10315111243 is an equidigital number, since it uses as much as digits as its factorization.

10315111243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954076.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 10315111243 its reverse (34211151301), we get a palindrome (44526262544).

The spelling of 10315111243 in words is "ten billion, three hundred fifteen million, one hundred eleven thousand, two hundred forty-three".