31114110143 has 4 divisors (see below), whose sum is σ = 31120598400. Its totient is φ = 31107621888.

The previous prime is 31114110133. The next prime is 31114110149. The reversal of 31114110143 is 34101141113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34101141113 = 13 ⋅2623164701.

It is a cyclic number.

It is not a de Polignac number, because 31114110143 - 2²⁸ = 30845674687 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 (31114110149) 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, 3236930 + ... + 3246527.

It is an arithmetic number, because the mean of its divisors is an integer number (7780149600).

Almost surely, 2^31114110143 is an apocalyptic number.

31114110143 is a deficient number, since it is larger than the sum of its proper divisors (6488257).

31114110143 is an equidigital number, since it uses as much as digits as its factorization.

31114110143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488256.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 31114110143 its reverse (34101141113), we get a palindrome (65215251256).

The spelling of 31114110143 in words is "thirty-one billion, one hundred fourteen million, one hundred ten thousand, one hundred forty-three".