233431020041 has 4 divisors (see below), whose sum is σ = 247162256532. Its totient is φ = 219699783552.

The previous prime is 233431020037. The next prime is 233431020047. The reversal of 233431020041 is 140020134332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 160617394441 + 72813625600 = 400771^2 + 269840^2 .

It is a cyclic number.

It is not a de Polignac number, because 233431020041 - 2² = 233431020037 is a prime.

It is a super-2 number, since 2×233431020041² (a number of 24 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 = 233431019989 and 233431020016.

It is not an unprimeable number, because it can be changed into a prime (233431020047) 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, 6865618220 + ... + 6865618253.

It is an arithmetic number, because the mean of its divisors is an integer number (61790564133).

Almost surely, 2^233431020041 is an apocalyptic number.

It is an amenable number.

233431020041 is a deficient number, since it is larger than the sum of its proper divisors (13731236491).

233431020041 is a wasteful number, since it uses less digits than its factorization.

233431020041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13731236490.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 233431020041 its reverse (140020134332), we get a palindrome (373451154373).

The spelling of 233431020041 in words is "two hundred thirty-three billion, four hundred thirty-one million, twenty thousand, forty-one".