100513355 has 4 divisors (see below), whose sum is σ = 120616032. Its totient is φ = 80410680.

The previous prime is 100513337. The next prime is 100513379. The reversal of 100513355 is 553315001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553315001 = 31 ⋅17848871.

It is not a de Polignac number, because 100513355 - 2¹⁰ = 100512331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100513355.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10051331 + ... + 10051340.

It is an arithmetic number, because the mean of its divisors is an integer number (30154008).

Almost surely, 2^100513355 is an apocalyptic number.

100513355 is a deficient number, since it is larger than the sum of its proper divisors (20102677).

100513355 is an equidigital number, since it uses as much as digits as its factorization.

100513355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20102676.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 100513355 is about 10025.6348926140. The cubic root of 100513355 is about 464.9517890434.

Adding to 100513355 its reverse (553315001), we get a palindrome (653828356).

The spelling of 100513355 in words is "one hundred million, five hundred thirteen thousand, three hundred fifty-five".