103155543349 has 6 divisors (see below), whose sum is σ = 103729808546. Its totient is φ = 102581326080.

The previous prime is 103155543319. The next prime is 103155543391. The reversal of 103155543349 is 943345551301.

It can be written as a sum of positive squares in 3 ways, for example, as 13763513124 + 89392030225 = 117318^2 + 298985^2 .

It is not a de Polignac number, because 103155543349 - 2⁷ = 103155543221 is a prime.

It is a super-2 number, since 2×103155543349² (a number of 23 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 (103155543319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4309077 + ... + 4332949.

Almost surely, 2^103155543349 is an apocalyptic number.

It is an amenable number.

103155543349 is a deficient number, since it is larger than the sum of its proper divisors (574265197).

103155543349 is an frugal number, since it uses more digits than its factorization.

103155543349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47927 (or 24054 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 103155543349 in words is "one hundred three billion, one hundred fifty-five million, five hundred forty-three thousand, three hundred forty-nine".