1340343231250 has 48 divisors (see below), whose sum is σ = 2513997718848. Its totient is φ = 535920750000.

The previous prime is 1340343231247. The next prime is 1340343231307. The reversal of 1340343231250 is 521323430431.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15901717 + ... + 15985783.

It is an arithmetic number, because the mean of its divisors is an integer number (52374952476).

Almost surely, 2^{1340343231250} is an apocalyptic number.

1340343231250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340343231250 is a deficient number, since it is larger than the sum of its proper divisors (1173654487598).

1340343231250 is an frugal number, since it uses more digits than its factorization.

1340343231250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86645 (or 86625 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1340343231250 its reverse (521323430431), we get a palindrome (1861666661681).

The spelling of 1340343231250 in words is "one trillion, three hundred forty billion, three hundred forty-three million, two hundred thirty-one thousand, two hundred fifty".