143126314511531 has 12 divisors (see below), whose sum is σ = 154984872480840. Its totient is φ = 132114944070720.

The previous prime is 143126314511527. The next prime is 143126314511533. The reversal of 143126314511531 is 135115413621341.

It is not a de Polignac number, because 143126314511531 - 2² = 143126314511527 is a prime.

It is a super-2 number, since 2×143126314511531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143126314511533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8342135 + ... + 18863823.

It is an arithmetic number, because the mean of its divisors is an integer number (12915406040070).

Almost surely, 2^{143126314511531} is an apocalyptic number.

143126314511531 is a deficient number, since it is larger than the sum of its proper divisors (11858557969309).

143126314511531 is a wasteful number, since it uses less digits than its factorization.

143126314511531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10602206 (or 10602193 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The spelling of 143126314511531 in words is "one hundred forty-three trillion, one hundred twenty-six billion, three hundred fourteen million, five hundred eleven thousand, five hundred thirty-one".