31424240041 has 4 divisors (see below), whose sum is σ = 31475006800. Its totient is φ = 31373473284.

The previous prime is 31424240033. The next prime is 31424240051. The reversal of 31424240041 is 14004242413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31424240041 - 2³ = 31424240033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31424239988 and 31424240015.

It is not an unprimeable number, because it can be changed into a prime (31424240021) 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, 25382451 + ... + 25383688.

It is an arithmetic number, because the mean of its divisors is an integer number (7868751700).

Almost surely, 2^31424240041 is an apocalyptic number.

It is an amenable number.

31424240041 is a deficient number, since it is larger than the sum of its proper divisors (50766759).

31424240041 is an equidigital number, since it uses as much as digits as its factorization.

31424240041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50766758.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 31424240041 its reverse (14004242413), we get a palindrome (45428482454).

The spelling of 31424240041 in words is "thirty-one billion, four hundred twenty-four million, two hundred forty thousand, forty-one".