103523313331 has 4 divisors (see below), whose sum is σ = 103523974200. Its totient is φ = 103522652464.

The previous prime is 103523313281. The next prime is 103523313343. The reversal of 103523313331 is 133313325301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133313325301 = 13 ⋅10254871177.

It is a cyclic number.

It is not a de Polignac number, because 103523313331 - 2¹³ = 103523305139 is a prime.

It is a super-2 number, since 2×103523313331² (a number of 23 digits) contains 22 as substring.

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 103523313331.

It is not an unprimeable number, because it can be changed into a prime (103523313031) 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, 52335 + ... + 458023.

It is an arithmetic number, because the mean of its divisors is an integer number (25880993550).

Almost surely, 2^103523313331 is an apocalyptic number.

103523313331 is a deficient number, since it is larger than the sum of its proper divisors (660869).

103523313331 is an equidigital number, since it uses as much as digits as its factorization.

103523313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660868.

The product of its (nonzero) digits is 7290, while the sum is 28.

Adding to 103523313331 its reverse (133313325301), we get a palindrome (236836638632).

The spelling of 103523313331 in words is "one hundred three billion, five hundred twenty-three million, three hundred thirteen thousand, three hundred thirty-one".