31064105605133 has 4 divisors (see below), whose sum is σ = 31489641298428. Its totient is φ = 30638569911840.

The previous prime is 31064105605129. The next prime is 31064105605177. The reversal of 31064105605133 is 33150650146013.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23570073429604 + 7494032175529 = 4854902^2 + 2737523^2 .

It is a cyclic number.

It is not a de Polignac number, because 31064105605133 - 2² = 31064105605129 is a prime.

It is a super-3 number, since 3×31064105605133³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31064105605123) 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, 212767846538 + ... + 212767846683.

It is an arithmetic number, because the mean of its divisors is an integer number (7872410324607).

Almost surely, 2^{31064105605133} is an apocalyptic number.

It is an amenable number.

31064105605133 is a deficient number, since it is larger than the sum of its proper divisors (425535693295).

31064105605133 is an equidigital number, since it uses as much as digits as its factorization.

31064105605133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425535693294.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 31064105605133 in words is "thirty-one trillion, sixty-four billion, one hundred five million, six hundred five thousand, one hundred thirty-three".