1731103345055 has 72 divisors (see below), whose sum is σ = 2555941946688. Its totient is φ = 1121718210816.

The previous prime is 1731103345051. The next prime is 1731103345057. The reversal of 1731103345055 is 5505433011371.

It is not a de Polignac number, because 1731103345055 - 2² = 1731103345051 is a prime.

It is a super-2 number, since 2×1731103345055² (a number of 25 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 (1731103345051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9594737 + ... + 9773493.

It is an arithmetic number, because the mean of its divisors is an integer number (35499193704).

Almost surely, 2^{1731103345055} is an apocalyptic number.

1731103345055 is a deficient number, since it is larger than the sum of its proper divisors (824838601633).

1731103345055 is a wasteful number, since it uses less digits than its factorization.

1731103345055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178881 (or 178845 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 38.

The spelling of 1731103345055 in words is "one trillion, seven hundred thirty-one billion, one hundred three million, three hundred forty-five thousand, fifty-five".