131433420315 has 32 divisors (see below), whose sum is σ = 214298680320. Its totient is φ = 68763217536.

The previous prime is 131433420277. The next prime is 131433420319. The reversal of 131433420315 is 513024334131.

It is a happy number.

It is not a de Polignac number, because 131433420315 - 2¹¹ = 131433418267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131433420319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6253314 + ... + 6274296.

It is an arithmetic number, because the mean of its divisors is an integer number (6696833760).

Almost surely, 2^131433420315 is an apocalyptic number.

131433420315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131433420315 is a deficient number, since it is larger than the sum of its proper divisors (82865260005).

131433420315 is a wasteful number, since it uses less digits than its factorization.

131433420315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28923.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 131433420315 its reverse (513024334131), we get a palindrome (644457754446).

The spelling of 131433420315 in words is "one hundred thirty-one billion, four hundred thirty-three million, four hundred twenty thousand, three hundred fifteen".