143242041002231 has 4 divisors (see below), whose sum is σ = 143352142495464. Its totient is φ = 143131939509000.

The previous prime is 143242041002189. The next prime is 143242041002297. The reversal of 143242041002231 is 132200140242341.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143242041002231 is a prime.

It is a super-2 number, since 2×143242041002231² (a number of 29 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 = 143242041002194 and 143242041002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143242041002131) 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, 55050744665 + ... + 55050747266.

It is an arithmetic number, because the mean of its divisors is an integer number (35838035623866).

Almost surely, 2^{143242041002231} is an apocalyptic number.

143242041002231 is a deficient number, since it is larger than the sum of its proper divisors (110101493233).

143242041002231 is a wasteful number, since it uses less digits than its factorization.

143242041002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110101493232.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 143242041002231 its reverse (132200140242341), we get a palindrome (275442181244572).

The spelling of 143242041002231 in words is "one hundred forty-three trillion, two hundred forty-two billion, forty-one million, two thousand, two hundred thirty-one".