343507831361 has 16 divisors (see below), whose sum is σ = 358656367104. Its totient is φ = 328729287744.

The previous prime is 343507831351. The next prime is 343507831421. The reversal of 343507831361 is 163138705343.

It is a cyclic number.

It is not a de Polignac number, because 343507831361 - 2⁶ = 343507831297 is a prime.

It is a super-2 number, since 2×343507831361² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343507831351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494540 + ... + 965186.

It is an arithmetic number, because the mean of its divisors is an integer number (22416022944).

Almost surely, 2^343507831361 is an apocalyptic number.

It is an amenable number.

343507831361 is a deficient number, since it is larger than the sum of its proper divisors (15148535743).

343507831361 is a wasteful number, since it uses less digits than its factorization.

343507831361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471040.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 343507831361 in words is "three hundred forty-three billion, five hundred seven million, eight hundred thirty-one thousand, three hundred sixty-one".