343531684957 has 2 divisors, whose sum is σ = 343531684958. Its totient is φ = 343531684956.

The previous prime is 343531684913. The next prime is 343531684963. The reversal of 343531684957 is 759486135343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296644711801 + 46886973156 = 544651^2 + 216534^2 .

It is a cyclic number.

It is not a de Polignac number, because 343531684957 - 2¹¹ = 343531682909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343531681957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171765842478 + 171765842479.

It is an arithmetic number, because the mean of its divisors is an integer number (171765842479).

Almost surely, 2^343531684957 is an apocalyptic number.

It is an amenable number.

343531684957 is a deficient number, since it is larger than the sum of its proper divisors (1).

343531684957 is an equidigital number, since it uses as much as digits as its factorization.

343531684957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32659200, while the sum is 58.

The spelling of 343531684957 in words is "three hundred forty-three billion, five hundred thirty-one million, six hundred eighty-four thousand, nine hundred fifty-seven".