205041154503031 has 8 divisors (see below), whose sum is σ = 255635725094784. Its totient is φ = 159772328184120.

The previous prime is 205041154503019. The next prime is 205041154503049. The reversal of 205041154503031 is 130305451140502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205041154503031 - 2¹⁹ = 205041153978743 is a prime.

It is a super-2 number, since 2×205041154503031² (a number of 29 digits) contains 22 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 (205041154503931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331436068125 + ... + 1331436068278.

It is an arithmetic number, because the mean of its divisors is an integer number (31954465636848).

Almost surely, 2^{205041154503031} is an apocalyptic number.

205041154503031 is a deficient number, since it is larger than the sum of its proper divisors (50594570591753).

205041154503031 is a wasteful number, since it uses less digits than its factorization.

205041154503031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662872136421.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 205041154503031 in words is "two hundred five trillion, forty-one billion, one hundred fifty-four million, five hundred three thousand, thirty-one".