103385452181 has 4 divisors (see below), whose sum is σ = 112784129664. Its totient is φ = 93986774700.

The previous prime is 103385452151. The next prime is 103385452187. The reversal of 103385452181 is 181254583301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 181254583301 = 11 ⋅16477689391.

It is a cyclic number.

It is not a de Polignac number, because 103385452181 - 2¹⁰ = 103385451157 is a prime.

It is a super-2 number, since 2×103385452181² (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 (103385452187) 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, 4699338725 + ... + 4699338746.

It is an arithmetic number, because the mean of its divisors is an integer number (28196032416).

Almost surely, 2^103385452181 is an apocalyptic number.

103385452181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103385452181 is a deficient number, since it is larger than the sum of its proper divisors (9398677483).

103385452181 is an equidigital number, since it uses as much as digits as its factorization.

103385452181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398677482.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 103385452181 in words is "one hundred three billion, three hundred eighty-five million, four hundred fifty-two thousand, one hundred eighty-one".