311430040010343 has 8 divisors (see below), whose sum is σ = 461377837052400. Its totient is φ = 207620026673544.

The previous prime is 311430040010339. The next prime is 311430040010443. The reversal of 311430040010343 is 343010040034113.

311430040010343 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 300 + 4 + 0 + 0 + 10 + 343 = 666.

It is not a de Polignac number, because 311430040010343 - 2² = 311430040010339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11534445926309 = 311430040010343 / (3 + 1 + 1 + 4 + 3 + 0 + 0 + 4 + 0 + 0 + 1 + 0 + 3 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311430040010443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5767222963128 + ... + 5767222963181.

It is an arithmetic number, because the mean of its divisors is an integer number (57672229631550).

Almost surely, 2^{311430040010343} is an apocalyptic number.

311430040010343 is a deficient number, since it is larger than the sum of its proper divisors (149947797042057).

311430040010343 is a wasteful number, since it uses less digits than its factorization.

311430040010343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11534445926318 (or 11534445926312 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 311430040010343 its reverse (343010040034113), we get a palindrome (654440080044456).

The spelling of 311430040010343 in words is "three hundred eleven trillion, four hundred thirty billion, forty million, ten thousand, three hundred forty-three".