31542544041 has 4 divisors (see below), whose sum is σ = 42056725392. Its totient is φ = 21028362692.

The previous prime is 31542544037. The next prime is 31542544087. The reversal of 31542544041 is 14044524513.

It is a happy number.

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 31542544041 - 2² = 31542544037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31542543993 and 31542544011.

It is not an unprimeable number, because it can be changed into a prime (31542544741) 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, 5257090671 + ... + 5257090676.

It is an arithmetic number, because the mean of its divisors is an integer number (10514181348).

Almost surely, 2^31542544041 is an apocalyptic number.

It is an amenable number.

31542544041 is a deficient number, since it is larger than the sum of its proper divisors (10514181351).

31542544041 is a wasteful number, since it uses less digits than its factorization.

31542544041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10514181350.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 31542544041 in words is "thirty-one billion, five hundred forty-two million, five hundred forty-four thousand, forty-one".