131144432303 has 4 divisors (see below), whose sum is σ = 133618855608. Its totient is φ = 128670009000.

The previous prime is 131144432299. The next prime is 131144432327. The reversal of 131144432303 is 303234441131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303234441131 = 29 ⋅10456360039.

It is a cyclic number.

It is not a de Polignac number, because 131144432303 - 2² = 131144432299 is a prime.

It is a super-2 number, since 2×131144432303² (a number of 23 digits) 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 (131144434303) 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, 1237211573 + ... + 1237211678.

It is an arithmetic number, because the mean of its divisors is an integer number (33404713902).

Almost surely, 2^131144432303 is an apocalyptic number.

131144432303 is a deficient number, since it is larger than the sum of its proper divisors (2474423305).

131144432303 is an equidigital number, since it uses as much as digits as its factorization.

131144432303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474423304.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131144432303 its reverse (303234441131), we get a palindrome (434378873434).

The spelling of 131144432303 in words is "one hundred thirty-one billion, one hundred forty-four million, four hundred thirty-two thousand, three hundred three".