31112334143 has 8 divisors (see below), whose sum is σ = 34207979520. Its totient is φ = 28061230680.

The previous prime is 31112334137. The next prime is 31112334167. The reversal of 31112334143 is 34143321113.

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 31112334143 - 2¹² = 31112330047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112334443) 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, 11134013 + ... + 11136806.

It is an arithmetic number, because the mean of its divisors is an integer number (4275997440).

Almost surely, 2^31112334143 is an apocalyptic number.

31112334143 is a deficient number, since it is larger than the sum of its proper divisors (3095645377).

31112334143 is a wasteful number, since it uses less digits than its factorization.

31112334143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22270957.

The product of its digits is 2592, while the sum is 26.

Adding to 31112334143 its reverse (34143321113), we get a palindrome (65255655256).

The spelling of 31112334143 in words is "thirty-one billion, one hundred twelve million, three hundred thirty-four thousand, one hundred forty-three".