1310240143500 has 48 divisors (see below), whose sum is σ = 3815419302240. Its totient is φ = 349397371200.

The previous prime is 1310240143451. The next prime is 1310240143501. The reversal of 1310240143500 is 53410420131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1310240143501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436745215 + ... + 436748214.

It is an arithmetic number, because the mean of its divisors is an integer number (79487902130).

Almost surely, 2^{1310240143500} is an apocalyptic number.

1310240143500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310240143500 is an abundant number, since it is smaller than the sum of its proper divisors (2505179158740).

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

1310240143500 is a wasteful number, since it uses less digits than its factorization.

1310240143500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873493451 (or 873493439 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1310240143500 its reverse (53410420131), we get a palindrome (1363650563631).

The spelling of 1310240143500 in words is "one trillion, three hundred ten billion, two hundred forty million, one hundred forty-three thousand, five hundred".