20143431241 has 8 divisors (see below), whose sum is σ = 20695979304. Its totient is φ = 19593799680.

The previous prime is 20143431197. The next prime is 20143431247. The reversal of 20143431241 is 14213434102.

It can be written as a sum of positive squares in 4 ways, for example, as 2462144400 + 17681286841 = 49620^2 + 132971^2 .

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 20143431241 - 2⁹ = 20143430729 is a prime.

It is a super-3 number, since 3×20143431241³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20143431247) 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, 715120 + ... + 742753.

It is an arithmetic number, because the mean of its divisors is an integer number (2586997413).

Almost surely, 2^20143431241 is an apocalyptic number.

It is an amenable number.

20143431241 is a deficient number, since it is larger than the sum of its proper divisors (552548063).

20143431241 is a wasteful number, since it uses less digits than its factorization.

20143431241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458251.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20143431241 its reverse (14213434102), we get a palindrome (34356865343).

The spelling of 20143431241 in words is "twenty billion, one hundred forty-three million, four hundred thirty-one thousand, two hundred forty-one".