31143000011 has 16 divisors (see below), whose sum is σ = 32106412800. Its totient is φ = 30186227808.

The previous prime is 31143000001. The next prime is 31143000023. The reversal of 31143000011 is 11000034113.

It is a cyclic number.

It is not a de Polignac number, because 31143000011 - 2³⁰ = 30069258187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31143000011.

It is not an unprimeable number, because it can be changed into a prime (31143000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20447696 + ... + 20449218.

It is an arithmetic number, because the mean of its divisors is an integer number (2006650800).

Almost surely, 2^31143000011 is an apocalyptic number.

31143000011 is a deficient number, since it is larger than the sum of its proper divisors (963412789).

31143000011 is a wasteful number, since it uses less digits than its factorization.

31143000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31143000011 its reverse (11000034113), we get a palindrome (42143034124).

The spelling of 31143000011 in words is "thirty-one billion, one hundred forty-three million, eleven", and thus it is an aban number.