343279981801 has 9 divisors (see below), whose sum is σ = 346772223109. Its totient is φ = 339822580000.

The previous prime is 343279981799. The next prime is 343279981859. The reversal of 343279981801 is 108189972343.

It is a happy number.

The square root of 343279981801 is 585901.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 307081114201 + 36198867600 = 554149^2 + 190260^2 .

It is not a de Polignac number, because 343279981801 - 2¹ = 343279981799 is a prime.

It is a super-2 number, since 2×343279981801² (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 (343279981871) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59173101 + ... + 59178901.

Almost surely, 2^343279981801 is an apocalyptic number.

343279981801 is the 585901-st square number.

343279981801 is the 292951-st centered octagonal number.

It is an amenable number.

343279981801 is a deficient number, since it is larger than the sum of its proper divisors (3492241308).

343279981801 is an frugal number, since it uses more digits than its factorization.

343279981801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11804 (or 5902 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 343279981801 in words is "three hundred forty-three billion, two hundred seventy-nine million, nine hundred eighty-one thousand, eight hundred one".