31143114111 has 8 divisors (see below), whose sum is σ = 43709633920. Its totient is φ = 19669335192.

The previous prime is 31143114077. The next prime is 31143114127. The reversal of 31143114111 is 11141134113.

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

It is not a de Polignac number, because 31143114111 - 2¹⁰ = 31143113087 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 (31143154111) 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, 273185155 + ... + 273185268.

It is an arithmetic number, because the mean of its divisors is an integer number (5463704240).

Almost surely, 2^31143114111 is an apocalyptic number.

31143114111 is a deficient number, since it is larger than the sum of its proper divisors (12566519809).

31143114111 is a wasteful number, since it uses less digits than its factorization.

31143114111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546370445.

The product of its digits is 144, while the sum is 21.

Adding to 31143114111 its reverse (11141134113), we get a palindrome (42284248224).

The spelling of 31143114111 in words is "thirty-one billion, one hundred forty-three million, one hundred fourteen thousand, one hundred eleven".