431143012133 has 8 divisors (see below), whose sum is σ = 434710717080. Its totient is φ = 427589959680.

The previous prime is 431143012129. The next prime is 431143012141. The reversal of 431143012133 is 331210341134.

It can be written as a sum of positive squares in 4 ways, for example, as 191338880929 + 239804131204 = 437423^2 + 489698^2 .

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 431143012133 - 2² = 431143012129 is a prime.

It is a super-2 number, since 2×431143012133² (a number of 24 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 (431143012933) 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, 3604028 + ... + 3721733.

It is an arithmetic number, because the mean of its divisors is an integer number (54338839635).

Almost surely, 2^431143012133 is an apocalyptic number.

It is an amenable number.

431143012133 is a deficient number, since it is larger than the sum of its proper divisors (3567704947).

431143012133 is a wasteful number, since it uses less digits than its factorization.

431143012133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326247.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 431143012133 its reverse (331210341134), we get a palindrome (762353353267).

The spelling of 431143012133 in words is "four hundred thirty-one billion, one hundred forty-three million, twelve thousand, one hundred thirty-three".