103313253 has 4 divisors (see below), whose sum is σ = 137751008. Its totient is φ = 68875500.

The previous prime is 103313227. The next prime is 103313261. The reversal of 103313253 is 352313301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352313301 = 3 ⋅117437767.

It is not a de Polignac number, because 103313253 - 2⁸ = 103312997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103313293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17218873 + ... + 17218878.

It is an arithmetic number, because the mean of its divisors is an integer number (34437752).

Almost surely, 2^103313253 is an apocalyptic number.

It is an amenable number.

103313253 is a deficient number, since it is larger than the sum of its proper divisors (34437755).

103313253 is an equidigital number, since it uses as much as digits as its factorization.

103313253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34437754.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 103313253 is about 10164.3127165589. The cubic root of 103313253 is about 469.2295404712.

Adding to 103313253 its reverse (352313301), we get a palindrome (455626554).

The spelling of 103313253 in words is "one hundred three million, three hundred thirteen thousand, two hundred fifty-three".