10311013321203 has 32 divisors (see below), whose sum is σ = 15733659870720. Its totient is φ = 5883894385920.

The previous prime is 10311013321201. The next prime is 10311013321223. The reversal of 10311013321203 is 30212331011301.

It is a happy number.

It is not a de Polignac number, because 10311013321203 - 2¹ = 10311013321201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 10311013321203.

It is not an unprimeable number, because it can be changed into a prime (10311013321201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187074613 + ... + 187129721.

It is an arithmetic number, because the mean of its divisors is an integer number (491676870960).

Almost surely, 2^{10311013321203} is an apocalyptic number.

10311013321203 is a deficient number, since it is larger than the sum of its proper divisors (5422646549517).

10311013321203 is a wasteful number, since it uses less digits than its factorization.

10311013321203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67227.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 10311013321203 its reverse (30212331011301), we get a palindrome (40523344332504).

The spelling of 10311013321203 in words is "ten trillion, three hundred eleven billion, thirteen million, three hundred twenty-one thousand, two hundred three".