143243004331 has 6 divisors (see below), whose sum is σ = 166629617340. Its totient is φ = 122779717956.

The previous prime is 143243004301. The next prime is 143243004349. The reversal of 143243004331 is 133400342341.

It is not a de Polignac number, because 143243004331 - 2¹³ = 143242996139 is a prime.

It is a super-2 number, since 2×143243004331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143243004331.

It is not an unprimeable number, because it can be changed into a prime (143243004301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1461663261 + ... + 1461663358.

It is an arithmetic number, because the mean of its divisors is an integer number (27771602890).

Almost surely, 2^143243004331 is an apocalyptic number.

143243004331 is a deficient number, since it is larger than the sum of its proper divisors (23386613009).

143243004331 is an equidigital number, since it uses as much as digits as its factorization.

143243004331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923326633 (or 2923326626 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 143243004331 its reverse (133400342341), we get a palindrome (276643346672).

The spelling of 143243004331 in words is "one hundred forty-three billion, two hundred forty-three million, four thousand, three hundred thirty-one".