131403004310440 has 16 divisors (see below), whose sum is σ = 295656759698580. Its totient is φ = 52561201724160.

The previous prime is 131403004310407. The next prime is 131403004310477. The reversal of 131403004310440 is 44013400304131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123267149425476 + 8135854884964 = 11102574^2 + 2852342^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131403004310399 and 131403004310408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642537553841 + ... + 1642537553920.

Almost surely, 2^{131403004310440} is an apocalyptic number.

131403004310440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403004310440 is an abundant number, since it is smaller than the sum of its proper divisors (164253755388140).

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

131403004310440 is a wasteful number, since it uses less digits than its factorization.

131403004310440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285075107772 (or 3285075107768 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131403004310440 its reverse (44013400304131), we get a palindrome (175416404614571).

The spelling of 131403004310440 in words is "one hundred thirty-one trillion, four hundred three billion, four million, three hundred ten thousand, four hundred forty".