103128453881 has 16 divisors (see below), whose sum is σ = 106255783680. Its totient is φ = 100043199360.

The previous prime is 103128453847. The next prime is 103128453899. The reversal of 103128453881 is 188354821301.

It is a cyclic number.

It is not a de Polignac number, because 103128453881 - 2⁶ = 103128453817 is a prime.

It is a super-2 number, since 2×103128453881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103128453811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3000926 + ... + 3035096.

It is an arithmetic number, because the mean of its divisors is an integer number (6640986480).

Almost surely, 2^103128453881 is an apocalyptic number.

It is an amenable number.

103128453881 is a deficient number, since it is larger than the sum of its proper divisors (3127329799).

103128453881 is a wasteful number, since it uses less digits than its factorization.

103128453881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34784.

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 103128453881 in words is "one hundred three billion, one hundred twenty-eight million, four hundred fifty-three thousand, eight hundred eighty-one".