143032221131 has 2 divisors, whose sum is σ = 143032221132. Its totient is φ = 143032221130.

The previous prime is 143032221121. The next prime is 143032221151. The reversal of 143032221131 is 131122230341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143032221131 - 2¹⁴ = 143032204747 is a prime.

It is a super-2 number, since 2×143032221131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143032221097 and 143032221106.

It is not a weakly prime, because it can be changed into another prime (143032221121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71516110565 + 71516110566.

It is an arithmetic number, because the mean of its divisors is an integer number (71516110566).

Almost surely, 2^143032221131 is an apocalyptic number.

143032221131 is a deficient number, since it is larger than the sum of its proper divisors (1).

143032221131 is an equidigital number, since it uses as much as digits as its factorization.

143032221131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 143032221131 its reverse (131122230341), we get a palindrome (274154451472).

The spelling of 143032221131 in words is "one hundred forty-three billion, thirty-two million, two hundred twenty-one thousand, one hundred thirty-one".