10033121231 has 4 divisors (see below), whose sum is σ = 11466424272. Its totient is φ = 8599818192.

The previous prime is 10033121227. The next prime is 10033121261. The reversal of 10033121231 is 13212133001.

10033121231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10033121231 - 2² = 10033121227 is a prime.

It is a super-2 number, since 2×10033121231² (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 (10033121221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716651510 + ... + 716651523.

It is an arithmetic number, because the mean of its divisors is an integer number (2866606068).

Almost surely, 2^10033121231 is an apocalyptic number.

10033121231 is a deficient number, since it is larger than the sum of its proper divisors (1433303041).

10033121231 is an equidigital number, since it uses as much as digits as its factorization.

10033121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433303040.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10033121231 its reverse (13212133001), we get a palindrome (23245254232).

The spelling of 10033121231 in words is "ten billion, thirty-three million, one hundred twenty-one thousand, two hundred thirty-one".