143040331031 has 4 divisors (see below), whose sum is σ = 154043433432. Its totient is φ = 132037228632.

The previous prime is 143040330947. The next prime is 143040331039. The reversal of 143040331031 is 130133040341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130133040341 = 31 ⋅4197840011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143040331031 is a prime.

It is a super-2 number, since 2×143040331031² (a number of 23 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 = 143040330988 and 143040331006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143040331039) 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, 5501551181 + ... + 5501551206.

It is an arithmetic number, because the mean of its divisors is an integer number (38510858358).

Almost surely, 2^143040331031 is an apocalyptic number.

143040331031 is a deficient number, since it is larger than the sum of its proper divisors (11003102401).

143040331031 is a wasteful number, since it uses less digits than its factorization.

143040331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11003102400.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 143040331031 its reverse (130133040341), we get a palindrome (273173371372).

The spelling of 143040331031 in words is "one hundred forty-three billion, forty million, three hundred thirty-one thousand, thirty-one".