131111143302 has 16 divisors (see below), whose sum is σ = 262237009392. Its totient is φ = 43701260640.

The previous prime is 131111143277. The next prime is 131111143313. The reversal of 131111143302 is 203341111131.

It is a congruent number.

It is an unprimeable number.

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, 495949 + ... + 712872.

It is an arithmetic number, because the mean of its divisors is an integer number (16389813087).

Almost surely, 2^131111143302 is an apocalyptic number.

131111143302 is an abundant number, since it is smaller than the sum of its proper divisors (131125866090).

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

131111143302 is a wasteful number, since it uses less digits than its factorization.

131111143302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226903.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 131111143302 its reverse (203341111131), we get a palindrome (334452254433).

The spelling of 131111143302 in words is "one hundred thirty-one billion, one hundred eleven million, one hundred forty-three thousand, three hundred two".