343404327131 has 4 divisors (see below), whose sum is σ = 349883654112. Its totient is φ = 336925000152.

The previous prime is 343404327103. The next prime is 343404327151. The reversal of 343404327131 is 131723404343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131723404343 = 276389 ⋅476587.

It is a cyclic number.

It is not a de Polignac number, because 343404327131 - 2⁶ = 343404327067 is a prime.

It is a super-2 number, since 2×343404327131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343404327091 and 343404327100.

It is not an unprimeable number, because it can be changed into a prime (343404327151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3239663411 + ... + 3239663516.

It is an arithmetic number, because the mean of its divisors is an integer number (87470913528).

Almost surely, 2^343404327131 is an apocalyptic number.

343404327131 is a deficient number, since it is larger than the sum of its proper divisors (6479326981).

343404327131 is an equidigital number, since it uses as much as digits as its factorization.

343404327131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479326980.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 343404327131 in words is "three hundred forty-three billion, four hundred four million, three hundred twenty-seven thousand, one hundred thirty-one".