343131531102231 has 16 divisors (see below), whose sum is σ = 463021653459456. Its totient is φ = 225997890838016.

The previous prime is 343131531102221. The next prime is 343131531102233. The reversal of 343131531102231 is 132201135131343.

It is a cyclic number.

It is not a de Polignac number, because 343131531102231 - 2³¹ = 343129383618583 is a prime.

It is a super-2 number, since 2×343131531102231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343131531102192 and 343131531102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343131531102233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265921591 + ... + 267208823.

It is an arithmetic number, because the mean of its divisors is an integer number (28938853341216).

Almost surely, 2^{343131531102231} is an apocalyptic number.

343131531102231 is a deficient number, since it is larger than the sum of its proper divisors (119890122357225).

343131531102231 is a wasteful number, since it uses less digits than its factorization.

343131531102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357862.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 343131531102231 its reverse (132201135131343), we get a palindrome (475332666233574).

The spelling of 343131531102231 in words is "three hundred forty-three trillion, one hundred thirty-one billion, five hundred thirty-one million, one hundred two thousand, two hundred thirty-one".