31040112443 has 8 divisors (see below), whose sum is σ = 31088736000. Its totient is φ = 30991529448.

The previous prime is 31040112437. The next prime is 31040112449. The reversal of 31040112443 is 34421104013.

It is an interprime number because it is at equal distance from previous prime (31040112437) and next prime (31040112449).

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 31040112443 - 2¹⁶ = 31040046907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31040112449) 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, 1752530 + ... + 1770152.

It is an arithmetic number, because the mean of its divisors is an integer number (3886092000).

Almost surely, 2^31040112443 is an apocalyptic number.

31040112443 is a deficient number, since it is larger than the sum of its proper divisors (48623557).

31040112443 is a wasteful number, since it uses less digits than its factorization.

31040112443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20281.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31040112443 its reverse (34421104013), we get a palindrome (65461216456).

The spelling of 31040112443 in words is "thirty-one billion, forty million, one hundred twelve thousand, four hundred forty-three".