343256053631 has 4 divisors (see below), whose sum is σ = 343310450064. Its totient is φ = 343201657200.

The previous prime is 343256053601. The next prime is 343256053669. The reversal of 343256053631 is 136350652343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136350652343 = 138323 ⋅985741.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343256053631 is a prime.

It is a super-2 number, since 2×343256053631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343256053601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27188750 + ... + 27201371.

It is an arithmetic number, because the mean of its divisors is an integer number (85827612516).

Almost surely, 2^343256053631 is an apocalyptic number.

343256053631 is a deficient number, since it is larger than the sum of its proper divisors (54396433).

343256053631 is an equidigital number, since it uses as much as digits as its factorization.

343256053631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54396432.

The product of its (nonzero) digits is 583200, while the sum is 41.

The spelling of 343256053631 in words is "three hundred forty-three billion, two hundred fifty-six million, fifty-three thousand, six hundred thirty-one".