131320402354 has 16 divisors (see below), whose sum is σ = 198059752800. Its totient is φ = 65301264000.

The previous prime is 131320402351. The next prime is 131320402379. The reversal of 131320402354 is 453204023131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131320402351) 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 7 ways as a sum of consecutive naturals, for example, 143497 + ... + 532195.

It is an arithmetic number, because the mean of its divisors is an integer number (12378734550).

Almost surely, 2^131320402354 is an apocalyptic number.

131320402354 is a deficient number, since it is larger than the sum of its proper divisors (66739350446).

131320402354 is a wasteful number, since it uses less digits than its factorization.

131320402354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389625.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 131320402354 its reverse (453204023131), we get a palindrome (584524425485).

The spelling of 131320402354 in words is "one hundred thirty-one billion, three hundred twenty million, four hundred two thousand, three hundred fifty-four".