131342020403 has 12 divisors (see below), whose sum is σ = 144376576344. Its totient is φ = 119394475200.

The previous prime is 131342020391. The next prime is 131342020429. The reversal of 131342020403 is 304020243131.

It is not a de Polignac number, because 131342020403 - 2²² = 131337826099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131342020463) 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 11 ways as a sum of consecutive naturals, for example, 3321275 + ... + 3360587.

It is an arithmetic number, because the mean of its divisors is an integer number (12031381362).

Almost surely, 2^131342020403 is an apocalyptic number.

131342020403 is a deficient number, since it is larger than the sum of its proper divisors (13034555941).

131342020403 is a wasteful number, since it uses less digits than its factorization.

131342020403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66946 (or 66935 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 131342020403 its reverse (304020243131), we get a palindrome (435362263534).

The spelling of 131342020403 in words is "one hundred thirty-one billion, three hundred forty-two million, twenty thousand, four hundred three".