310140340343 has 4 divisors (see below), whose sum is σ = 310269945888. Its totient is φ = 310010734800.

The previous prime is 310140340319. The next prime is 310140340351. The reversal of 310140340343 is 343043041013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343043041013 = 691 ⋅496444343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310140340343 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 (310140340943) 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, 64799183 + ... + 64803968.

It is an arithmetic number, because the mean of its divisors is an integer number (77567486472).

Almost surely, 2^310140340343 is an apocalyptic number.

310140340343 is a deficient number, since it is larger than the sum of its proper divisors (129605545).

310140340343 is a wasteful number, since it uses less digits than its factorization.

310140340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129605544.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 310140340343 its reverse (343043041013), we get a palindrome (653183381356).

The spelling of 310140340343 in words is "three hundred ten billion, one hundred forty million, three hundred forty thousand, three hundred forty-three".