10311404231 has 4 divisors (see below), whose sum is σ = 10311709512. Its totient is φ = 10311098952.

The previous prime is 10311404197. The next prime is 10311404261. The reversal of 10311404231 is 13240411301.

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

It is a cyclic number.

It is not a de Polignac number, because 10311404231 - 2⁶ = 10311404167 is a prime.

It is a super-2 number, since 2×10311404231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311404261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94625 + ... + 171978.

It is an arithmetic number, because the mean of its divisors is an integer number (2577927378).

Almost surely, 2^10311404231 is an apocalyptic number.

10311404231 is a deficient number, since it is larger than the sum of its proper divisors (305281).

10311404231 is an equidigital number, since it uses as much as digits as its factorization.

10311404231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305280.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10311404231 its reverse (13240411301), we get a palindrome (23551815532).

The spelling of 10311404231 in words is "ten billion, three hundred eleven million, four hundred four thousand, two hundred thirty-one".