131431363302 has 16 divisors (see below), whose sum is σ = 266565019392. Its totient is φ = 43193405640.

The previous prime is 131431363289. The next prime is 131431363303. The reversal of 131431363302 is 203363134131.

It is a self number, because there is not a number n which added to its sum of digits gives 131431363302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131431363303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154261738 + ... + 154262589.

It is an arithmetic number, because the mean of its divisors is an integer number (16660313712).

Almost surely, 2^131431363302 is an apocalyptic number.

131431363302 is an abundant number, since it is smaller than the sum of its proper divisors (135133656090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131431363302 is a wasteful number, since it uses less digits than its factorization.

131431363302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308524403.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 131431363302 its reverse (203363134131), we get a palindrome (334794497433).

The spelling of 131431363302 in words is "one hundred thirty-one billion, four hundred thirty-one million, three hundred sixty-three thousand, three hundred two".