131123303 has 4 divisors (see below), whose sum is σ = 131172360. Its totient is φ = 131074248.

The previous prime is 131123269. The next prime is 131123323. The reversal of 131123303 is 303321131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131123303 - 2¹⁴ = 131106919 is a prime.

It is a super-3 number, since 3×131123303³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123323) 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, 20273 + ... + 25946.

It is an arithmetic number, because the mean of its divisors is an integer number (32793090).

Almost surely, 2^131123303 is an apocalyptic number.

131123303 is a deficient number, since it is larger than the sum of its proper divisors (49057).

131123303 is an equidigital number, since it uses as much as digits as its factorization.

131123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49056.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131123303 is about 11450.9083919137. The cubic root of 131123303 is about 508.0346027538.

Adding to 131123303 its reverse (303321131), we get a palindrome (434444434).

The spelling of 131123303 in words is "one hundred thirty-one million, one hundred twenty-three thousand, three hundred three".