343440034631 has 2 divisors, whose sum is σ = 343440034632. Its totient is φ = 343440034630.

The previous prime is 343440034523. The next prime is 343440034667. The reversal of 343440034631 is 136430044343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343440034631 - 2²² = 343435840327 is a prime.

It is a super-2 number, since 2×343440034631² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 343440034591 and 343440034600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343440094631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171720017315 + 171720017316.

It is an arithmetic number, because the mean of its divisors is an integer number (171720017316).

Almost surely, 2^343440034631 is an apocalyptic number.

343440034631 is a deficient number, since it is larger than the sum of its proper divisors (1).

343440034631 is an equidigital number, since it uses as much as digits as its factorization.

343440034631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 343440034631 its reverse (136430044343), we get a palindrome (479870078974).

The spelling of 343440034631 in words is "three hundred forty-three billion, four hundred forty million, thirty-four thousand, six hundred thirty-one".