31243534410104 has 16 divisors (see below), whose sum is σ = 59406720358320. Its totient is φ = 15401742314560.

The previous prime is 31243534410089. The next prime is 31243534410139. The reversal of 31243534410104 is 40101443534213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27503110709 + ... + 27503111844.

It is an arithmetic number, because the mean of its divisors is an integer number (3712920022395).

Almost surely, 2^{31243534410104} is an apocalyptic number.

It is an amenable number.

31243534410104 is a deficient number, since it is larger than the sum of its proper divisors (28163185948216).

31243534410104 is a wasteful number, since it uses less digits than its factorization.

31243534410104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55006222630 (or 55006222626 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 31243534410104 its reverse (40101443534213), we get a palindrome (71344977944317).

The spelling of 31243534410104 in words is "thirty-one trillion, two hundred forty-three billion, five hundred thirty-four million, four hundred ten thousand, one hundred four".