31143144101 has 8 divisors (see below), whose sum is σ = 33057333144. Its totient is φ = 29238092800.

The previous prime is 31143144083. The next prime is 31143144139. The reversal of 31143144101 is 10144134113.

It can be written as a sum of positive squares in 4 ways, for example, as 25344321601 + 5798822500 = 159199^2 + 76150^2 .

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 31143144101 - 2³⁰ = 30069402277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31143144301) 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, 2277410 + ... + 2291043.

It is an arithmetic number, because the mean of its divisors is an integer number (4132166643).

Almost surely, 2^31143144101 is an apocalyptic number.

It is an amenable number.

31143144101 is a deficient number, since it is larger than the sum of its proper divisors (1914189043).

31143144101 is a wasteful number, since it uses less digits than its factorization.

31143144101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568871.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31143144101 its reverse (10144134113), we get a palindrome (41287278214).

The spelling of 31143144101 in words is "thirty-one billion, one hundred forty-three million, one hundred forty-four thousand, one hundred one".