31242230041 has 4 divisors (see below), whose sum is σ = 34082432784. Its totient is φ = 28402027300.

The previous prime is 31242230023. The next prime is 31242230137. The reversal of 31242230041 is 14003224213.

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 31242230041 - 2⁵ = 31242230009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31242229994 and 31242230021.

It is not an unprimeable number, because it can be changed into a prime (31242230141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420101355 + ... + 1420101376.

It is an arithmetic number, because the mean of its divisors is an integer number (8520608196).

Almost surely, 2^31242230041 is an apocalyptic number.

It is an amenable number.

31242230041 is a deficient number, since it is larger than the sum of its proper divisors (2840202743).

31242230041 is a wasteful number, since it uses less digits than its factorization.

31242230041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840202742.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31242230041 its reverse (14003224213), we get a palindrome (45245454254).

The spelling of 31242230041 in words is "thirty-one billion, two hundred forty-two million, two hundred thirty thousand, forty-one".