143313011231 has 8 divisors (see below), whose sum is σ = 154341227040. Its totient is φ = 132285386592.

The previous prime is 143313011221. The next prime is 143313011239. The reversal of 143313011231 is 132110313341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143313011231 - 2⁶ = 143313011167 is a prime.

It is a super-2 number, since 2×143313011231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143313011197 and 143313011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143313011239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443285 + ... + 695073.

It is an arithmetic number, because the mean of its divisors is an integer number (19292653380).

Almost surely, 2^143313011231 is an apocalyptic number.

143313011231 is a deficient number, since it is larger than the sum of its proper divisors (11028215809).

143313011231 is a wasteful number, since it uses less digits than its factorization.

143313011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295585.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 143313011231 its reverse (132110313341), we get a palindrome (275423324572).

The spelling of 143313011231 in words is "one hundred forty-three billion, three hundred thirteen million, eleven thousand, two hundred thirty-one".