131200303 has 16 divisors (see below), whose sum is σ = 147893760. Its totient is φ = 115483104.

The previous prime is 131200291. The next prime is 131200319. The reversal of 131200303 is 303002131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131200303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155958 + ... + 156796.

It is an arithmetic number, because the mean of its divisors is an integer number (9243360).

Almost surely, 2^131200303 is an apocalyptic number.

131200303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131200303 is a deficient number, since it is larger than the sum of its proper divisors (16693457).

131200303 is a wasteful number, since it uses less digits than its factorization.

131200303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 131200303 is about 11454.2700771372. The cubic root of 131200303 is about 508.1340282786.

Adding to 131200303 its reverse (303002131), we get a palindrome (434202434).

The spelling of 131200303 in words is "one hundred thirty-one million, two hundred thousand, three hundred three".