343641106531 has 2 divisors, whose sum is σ = 343641106532. Its totient is φ = 343641106530.

The previous prime is 343641106511. The next prime is 343641106537. The reversal of 343641106531 is 135601146343.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343641106531 is a prime.

It is a super-2 number, since 2×343641106531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343641106537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171820553265 + 171820553266.

It is an arithmetic number, because the mean of its divisors is an integer number (171820553266).

Almost surely, 2^343641106531 is an apocalyptic number.

343641106531 is a deficient number, since it is larger than the sum of its proper divisors (1).

343641106531 is an equidigital number, since it uses as much as digits as its factorization.

343641106531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 343641106531 in words is "three hundred forty-three billion, six hundred forty-one million, one hundred six thousand, five hundred thirty-one".