10311223231 has 8 divisors (see below), whose sum is σ = 10934756784. Its totient is φ = 9689577600.

The previous prime is 10311223229. The next prime is 10311223243. The reversal of 10311223231 is 13232211301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10311223231 - 2¹ = 10311223229 is a prime.

It is a super-2 number, since 2×10311223231² (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 = 10311223199 and 10311223208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311223271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460720 + ... + 482581.

It is an arithmetic number, because the mean of its divisors is an integer number (1366844598).

Almost surely, 2^10311223231 is an apocalyptic number.

10311223231 is a deficient number, since it is larger than the sum of its proper divisors (623533553).

10311223231 is an equidigital number, since it uses as much as digits as its factorization.

10311223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943961.

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

Adding to 10311223231 its reverse (13232211301), we get a palindrome (23543434532).

The spelling of 10311223231 in words is "ten billion, three hundred eleven million, two hundred twenty-three thousand, two hundred thirty-one".