131420303 has 12 divisors (see below), whose sum is σ = 153127080. Its totient is φ = 112461552.

The previous prime is 131420297. The next prime is 131420309. The reversal of 131420303 is 303024131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131420297) and next prime (131420309).

It is not a de Polignac number, because 131420303 - 2⁴ = 131420287 is a prime.

It is a super-2 number, since 2×131420303² = 34542592081223618, which contains 22 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 (131420309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34088 + ... + 37746.

It is an arithmetic number, because the mean of its divisors is an integer number (12760590).

Almost surely, 2^131420303 is an apocalyptic number.

131420303 is a deficient number, since it is larger than the sum of its proper divisors (21706777).

131420303 is an equidigital number, since it uses as much as digits as its factorization.

131420303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406 (or 4399 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 131420303 is about 11463.8694601779. The cubic root of 131420303 is about 508.4178870249.

Adding to 131420303 its reverse (303024131), we get a palindrome (434444434).

The spelling of 131420303 in words is "one hundred thirty-one million, four hundred twenty thousand, three hundred three".