103135128363 has 32 divisors (see below), whose sum is σ = 155877307200. Its totient is φ = 67382396928.

The previous prime is 103135128361. The next prime is 103135128401. The reversal of 103135128363 is 363821531301.

103135128363 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 3 + 512 + 83 + 63 = 666.

It is not a de Polignac number, because 103135128363 - 2¹ = 103135128361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103135128361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81631 + ... + 461447.

It is an arithmetic number, because the mean of its divisors is an integer number (4871165850).

Almost surely, 2^103135128363 is an apocalyptic number.

103135128363 is a deficient number, since it is larger than the sum of its proper divisors (52742178837).

103135128363 is a wasteful number, since it uses less digits than its factorization.

103135128363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380028 (or 380022 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 103135128363 its reverse (363821531301), we get a palindrome (466956659664).

The spelling of 103135128363 in words is "one hundred three billion, one hundred thirty-five million, one hundred twenty-eight thousand, three hundred sixty-three".