1310532431340 has 144 divisors (see below), whose sum is σ = 4270666903776. Its totient is φ = 299016284160.

The previous prime is 1310532431333. The next prime is 1310532431407. The reversal of 1310532431340 is 431342350131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1310532431298 and 1310532431307.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5185819 + ... + 5432658.

It is an arithmetic number, because the mean of its divisors is an integer number (29657409054).

Almost surely, 2^{1310532431340} is an apocalyptic number.

1310532431340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310532431340 is an abundant number, since it is smaller than the sum of its proper divisors (2960134472436).

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

1310532431340 is a wasteful number, since it uses less digits than its factorization.

1310532431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618528 (or 10618515 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1310532431340 its reverse (431342350131), we get a palindrome (1741874781471).

The spelling of 1310532431340 in words is "one trillion, three hundred ten billion, five hundred thirty-two million, four hundred thirty-one thousand, three hundred forty".