143434551131 has 4 divisors (see below), whose sum is σ = 143437085352. Its totient is φ = 143432016912.

The previous prime is 143434551107. The next prime is 143434551137. The reversal of 143434551131 is 131155434341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131155434341 = 9907 ⋅13238663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143434551131 is a prime.

It is a super-2 number, since 2×143434551131² (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 = 143434551091 and 143434551100.

It is not an unprimeable number, because it can be changed into a prime (143434551137) 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, 1180226 + ... + 1296071.

It is an arithmetic number, because the mean of its divisors is an integer number (35859271338).

Almost surely, 2^143434551131 is an apocalyptic number.

143434551131 is a deficient number, since it is larger than the sum of its proper divisors (2534221).

143434551131 is an equidigital number, since it uses as much as digits as its factorization.

143434551131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534220.

The product of its digits is 43200, while the sum is 35.

Adding to 143434551131 its reverse (131155434341), we get a palindrome (274589985472).

The spelling of 143434551131 in words is "one hundred forty-three billion, four hundred thirty-four million, five hundred fifty-one thousand, one hundred thirty-one".