131302110440 has 16 divisors (see below), whose sum is σ = 295429748580. Its totient is φ = 52520844160.

The previous prime is 131302110421. The next prime is 131302110487. The reversal of 131302110440 is 44011203131.

It can be written as a sum of positive squares in 2 ways, for example, as 131245349284 + 56761156 = 362278^2 + 7534^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 3 ways as a sum of consecutive naturals, for example, 1641276341 + ... + 1641276420.

Almost surely, 2^131302110440 is an apocalyptic number.

131302110440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131302110440 is an abundant number, since it is smaller than the sum of its proper divisors (164127638140).

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

131302110440 is a wasteful number, since it uses less digits than its factorization.

131302110440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282552772 (or 3282552768 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131302110440 its reverse (44011203131), we get a palindrome (175313313571).

The spelling of 131302110440 in words is "one hundred thirty-one billion, three hundred two million, one hundred ten thousand, four hundred forty".