103281561036 has 36 divisors (see below), whose sum is σ = 261092204464. Its totient is φ = 34424632800.

The previous prime is 103281561001. The next prime is 103281561037. The reversal of 103281561036 is 630165182301.

103281561036 is a `hidden beast` number, since 1 + 0 + 3 + 2 + 8 + 1 + 5 + 610 + 36 = 666.

103281561036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (103281561037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421401 + ... + 619791.

Almost surely, 2^103281561036 is an apocalyptic number.

It is an amenable number.

103281561036 is an abundant number, since it is smaller than the sum of its proper divisors (157810643428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103281561036 is a wasteful number, since it uses less digits than its factorization.

103281561036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212862 (or 212857 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 103281561036 in words is "one hundred three billion, two hundred eighty-one million, five hundred sixty-one thousand, thirty-six".