31052067256121 has 4 divisors (see below), whose sum is σ = 31052560451700. Its totient is φ = 31051574060544.

The previous prime is 31052067256109. The next prime is 31052067256139. The reversal of 31052067256121 is 12165276025013.

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 5986634497600 + 25065432758521 = 2446760^2 + 5006539^2 .

It is a cyclic number.

It is not a de Polignac number, because 31052067256121 - 2¹⁴ = 31052067239737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31052067256141) 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, 246503336 + ... + 246629273.

It is an arithmetic number, because the mean of its divisors is an integer number (7763140112925).

Almost surely, 2^{31052067256121} is an apocalyptic number.

It is an amenable number.

31052067256121 is a deficient number, since it is larger than the sum of its proper divisors (493195579).

31052067256121 is an equidigital number, since it uses as much as digits as its factorization.

31052067256121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493195578.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 31052067256121 in words is "thirty-one trillion, fifty-two billion, sixty-seven million, two hundred fifty-six thousand, one hundred twenty-one".