10303311231 has 6 divisors (see below), whose sum is σ = 14882560680. Its totient is φ = 6868874148.

The previous prime is 10303311229. The next prime is 10303311253. The reversal of 10303311231 is 13211330301.

It is a happy number.

10303311231 is a `hidden beast` number, since 103 + 0 + 331 + 1 + 231 = 666.

It is not a de Polignac number, because 10303311231 - 2¹ = 10303311229 is a prime.

It is a super-2 number, since 2×10303311231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303311211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 572406171 + ... + 572406188.

It is an arithmetic number, because the mean of its divisors is an integer number (2480426780).

Almost surely, 2^10303311231 is an apocalyptic number.

10303311231 is a deficient number, since it is larger than the sum of its proper divisors (4579249449).

10303311231 is a wasteful number, since it uses less digits than its factorization.

10303311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144812365 (or 1144812362 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 10303311231 its reverse (13211330301), we get a palindrome (23514641532).

The spelling of 10303311231 in words is "ten billion, three hundred three million, three hundred eleven thousand, two hundred thirty-one".