343431232420139 has 2 divisors, whose sum is σ = 343431232420140. Its totient is φ = 343431232420138.

The previous prime is 343431232420127. The next prime is 343431232420169. The reversal of 343431232420139 is 931024232134343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343431232420139 - 2²⁸ = 343430963984683 is a prime.

It is a super-2 number, since 2×343431232420139² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343431232420139.

It is not a weakly prime, because it can be changed into another prime (343431232420169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171715616210069 + 171715616210070.

It is an arithmetic number, because the mean of its divisors is an integer number (171715616210070).

Almost surely, 2^{343431232420139} is an apocalyptic number.

343431232420139 is a deficient number, since it is larger than the sum of its proper divisors (1).

343431232420139 is an equidigital number, since it uses as much as digits as its factorization.

343431232420139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 44.

The spelling of 343431232420139 in words is "three hundred forty-three trillion, four hundred thirty-one billion, two hundred thirty-two million, four hundred twenty thousand, one hundred thirty-nine".