10403311231 has 16 divisors (see below), whose sum is σ = 10697951520. Its totient is φ = 10113269760.

The previous prime is 10403311229. The next prime is 10403311241. The reversal of 10403311231 is 13211330401.

It is a cyclic number.

It is not a de Polignac number, because 10403311231 - 2¹ = 10403311229 is a prime.

It is a super-2 number, since 2×10403311231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10403311199 and 10403311208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10403311241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1967311 + ... + 1972591.

It is an arithmetic number, because the mean of its divisors is an integer number (668621970).

Almost surely, 2^10403311231 is an apocalyptic number.

10403311231 is a deficient number, since it is larger than the sum of its proper divisors (294640289).

10403311231 is a wasteful number, since it uses less digits than its factorization.

10403311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5706.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10403311231 its reverse (13211330401), we get a palindrome (23614641632).

The spelling of 10403311231 in words is "ten billion, four hundred three million, three hundred eleven thousand, two hundred thirty-one".