31104523304523 has 16 divisors (see below), whose sum is σ = 46201090621440. Its totient is φ = 20682206959752.

The previous prime is 31104523304521. The next prime is 31104523304539. The reversal of 31104523304523 is 32540332540113.

31104523304523 is a `hidden beast` number, since 3 + 1 + 104 + 5 + 23 + 3 + 0 + 4 + 523 = 666.

It is not a de Polignac number, because 31104523304523 - 2¹ = 31104523304521 is a prime.

It is a super-2 number, since 2×31104523304523² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31104523304521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503931411 + ... + 1503952092.

It is an arithmetic number, because the mean of its divisors is an integer number (2887568163840).

Almost surely, 2^{31104523304523} is an apocalyptic number.

31104523304523 is a deficient number, since it is larger than the sum of its proper divisors (15096567316917).

31104523304523 is a wasteful number, since it uses less digits than its factorization.

31104523304523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007883895 (or 3007883889 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 31104523304523 its reverse (32540332540113), we get a palindrome (63644855844636).

The spelling of 31104523304523 in words is "thirty-one trillion, one hundred four billion, five hundred twenty-three million, three hundred four thousand, five hundred twenty-three".