10533231311 has 4 divisors (see below), whose sum is σ = 10533478392. Its totient is φ = 10532984232.

The previous prime is 10533231307. The next prime is 10533231337. The reversal of 10533231311 is 11313233501.

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 10533231311 - 2² = 10533231307 is a prime.

It is a super-2 number, since 2×10533231311² (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 (10533231301) 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, 41381 + ... + 150926.

It is an arithmetic number, because the mean of its divisors is an integer number (2633369598).

Almost surely, 2^10533231311 is an apocalyptic number.

10533231311 is a deficient number, since it is larger than the sum of its proper divisors (247081).

10533231311 is an equidigital number, since it uses as much as digits as its factorization.

10533231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247080.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 10533231311 its reverse (11313233501), we get a palindrome (21846464812).

The spelling of 10533231311 in words is "ten billion, five hundred thirty-three million, two hundred thirty-one thousand, three hundred eleven".