2400313131343 has 4 divisors (see below), whose sum is σ = 2541508021440. Its totient is φ = 2259118241248.

The previous prime is 2400313131329. The next prime is 2400313131373. The reversal of 2400313131343 is 3431313130042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2400313131343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400313131313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70597445023 + ... + 70597445056.

It is an arithmetic number, because the mean of its divisors is an integer number (635377005360).

Almost surely, 2^{2400313131343} is an apocalyptic number.

2400313131343 is a deficient number, since it is larger than the sum of its proper divisors (141194890097).

2400313131343 is a wasteful number, since it uses less digits than its factorization.

2400313131343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141194890096.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 2400313131343 its reverse (3431313130042), we get a palindrome (5831626261385).

The spelling of 2400313131343 in words is "two trillion, four hundred billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred forty-three".