131332113403 has 4 divisors (see below), whose sum is σ = 132559516440. Its totient is φ = 130104710368.

The previous prime is 131332113373. The next prime is 131332113421. The reversal of 131332113403 is 304311233131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304311233131 = 13249 ⋅22968619.

It is a cyclic number.

It is not a de Polignac number, because 131332113403 - 2⁵ = 131332113371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131332113103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613701358 + ... + 613701571.

It is an arithmetic number, because the mean of its divisors is an integer number (33139879110).

Almost surely, 2^131332113403 is an apocalyptic number.

131332113403 is a deficient number, since it is larger than the sum of its proper divisors (1227403037).

131332113403 is a wasteful number, since it uses less digits than its factorization.

131332113403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227403036.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131332113403 its reverse (304311233131), we get a palindrome (435643346534).

The spelling of 131332113403 in words is "one hundred thirty-one billion, three hundred thirty-two million, one hundred thirteen thousand, four hundred three".