143442223031 has 2 divisors, whose sum is σ = 143442223032. Its totient is φ = 143442223030.

The previous prime is 143442222971. The next prime is 143442223061. The reversal of 143442223031 is 130322244341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143442223031 - 2¹⁴ = 143442206647 is a prime.

It is a super-2 number, since 2×143442223031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143442222985 and 143442223003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143442223061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71721111515 + 71721111516.

It is an arithmetic number, because the mean of its divisors is an integer number (71721111516).

Almost surely, 2^143442223031 is an apocalyptic number.

143442223031 is a deficient number, since it is larger than the sum of its proper divisors (1).

143442223031 is an equidigital number, since it uses as much as digits as its factorization.

143442223031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 143442223031 its reverse (130322244341), we get a palindrome (273764467372).

The spelling of 143442223031 in words is "one hundred forty-three billion, four hundred forty-two million, two hundred twenty-three thousand, thirty-one".