31604751325011 has 4 divisors (see below), whose sum is σ = 42139668433352. Its totient is φ = 21069834216672.

The previous prime is 31604751325001. The next prime is 31604751325027. The reversal of 31604751325011 is 11052315740613.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31604751325011 - 2⁶ = 31604751324947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31604751325001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5267458554166 + ... + 5267458554171.

It is an arithmetic number, because the mean of its divisors is an integer number (10534917108338).

Almost surely, 2^{31604751325011} is an apocalyptic number.

31604751325011 is a deficient number, since it is larger than the sum of its proper divisors (10534917108341).

31604751325011 is a wasteful number, since it uses less digits than its factorization.

31604751325011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534917108340.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 31604751325011 in words is "thirty-one trillion, six hundred four billion, seven hundred fifty-one million, three hundred twenty-five thousand, eleven".