31122340011143 has 8 divisors (see below), whose sum is σ = 31146327354480. Its totient is φ = 31098357984960.

The previous prime is 31122340011097. The next prime is 31122340011151. The reversal of 31122340011143 is 34111004322113.

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 31122340011143 - 2²² = 31122335816839 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 (31122340011443) 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, 10421603 + ... + 13071131.

It is an arithmetic number, because the mean of its divisors is an integer number (3893290919310).

Almost surely, 2^{31122340011143} is an apocalyptic number.

31122340011143 is a deficient number, since it is larger than the sum of its proper divisors (23987343337).

31122340011143 is a wasteful number, since it uses less digits than its factorization.

31122340011143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658577.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 31122340011143 its reverse (34111004322113), we get a palindrome (65233344333256).

The spelling of 31122340011143 in words is "thirty-one trillion, one hundred twenty-two billion, three hundred forty million, eleven thousand, one hundred forty-three".