343120112131 has 16 divisors (see below), whose sum is σ = 352004702400. Its totient is φ = 334355281920.

The previous prime is 343120112123. The next prime is 343120112141. The reversal of 343120112131 is 131211021343.

It is a cyclic number.

It is not a de Polignac number, because 343120112131 - 2³ = 343120112123 is a prime.

It is a super-2 number, since 2×343120112131² (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 (343120112141) 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, 2767731 + ... + 2889043.

It is an arithmetic number, because the mean of its divisors is an integer number (22000293900).

Almost surely, 2^343120112131 is an apocalyptic number.

343120112131 is a deficient number, since it is larger than the sum of its proper divisors (8884590269).

343120112131 is a wasteful number, since it uses less digits than its factorization.

343120112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121806.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 343120112131 its reverse (131211021343), we get a palindrome (474331133474).

The spelling of 343120112131 in words is "three hundred forty-three billion, one hundred twenty million, one hundred twelve thousand, one hundred thirty-one".