103420553019 has 24 divisors (see below), whose sum is σ = 168849887040. Its totient is φ = 55987064784.

The previous prime is 103420553003. The next prime is 103420553021. The reversal of 103420553019 is 910355024301.

It is not a de Polignac number, because 103420553019 - 2⁴ = 103420553003 is a prime.

It is a super-2 number, since 2×103420553019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103420553059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18511449 + ... + 18517034.

It is an arithmetic number, because the mean of its divisors is an integer number (7035411960).

Almost surely, 2^103420553019 is an apocalyptic number.

103420553019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

103420553019 is a deficient number, since it is larger than the sum of its proper divisors (65429334021).

103420553019 is a wasteful number, since it uses less digits than its factorization.

103420553019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37028519 (or 37028512 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 103420553019 in words is "one hundred three billion, four hundred twenty million, five hundred fifty-three thousand, nineteen".