31542144041 has 8 divisors (see below), whose sum is σ = 32918050944. Its totient is φ = 30166612960.

The previous prime is 31542144037. The next prime is 31542144047. The reversal of 31542144041 is 14044124513.

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 31542144041 - 2² = 31542144037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31542143995 and 31542144013.

It is not an unprimeable number, because it can be changed into a prime (31542144047) 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 7 ways as a sum of consecutive naturals, for example, 84821 + ... + 265101.

It is an arithmetic number, because the mean of its divisors is an integer number (4114756368).

Almost surely, 2^31542144041 is an apocalyptic number.

It is an amenable number.

31542144041 is a deficient number, since it is larger than the sum of its proper divisors (1375906903).

31542144041 is a wasteful number, since it uses less digits than its factorization.

31542144041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187911.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 31542144041 its reverse (14044124513), we get a palindrome (45586268554).

The spelling of 31542144041 in words is "thirty-one billion, five hundred forty-two million, one hundred forty-four thousand, forty-one".