343144001531 has 16 divisors (see below), whose sum is σ = 357727648320. Its totient is φ = 328904209920.

The previous prime is 343144001521. The next prime is 343144001549. The reversal of 343144001531 is 135100441343.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343144001531 is a prime.

It is a super-2 number, since 2×343144001531² (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 = 343144001494 and 343144001503.

It is not an unprimeable number, because it can be changed into a prime (343144001521) 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 15 ways as a sum of consecutive naturals, for example, 273410 + ... + 872376.

It is an arithmetic number, because the mean of its divisors is an integer number (22357978020).

Almost surely, 2^343144001531 is an apocalyptic number.

343144001531 is a deficient number, since it is larger than the sum of its proper divisors (14583646789).

343144001531 is a wasteful number, since it uses less digits than its factorization.

343144001531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599254.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 343144001531 its reverse (135100441343), we get a palindrome (478244442874).

The spelling of 343144001531 in words is "three hundred forty-three billion, one hundred forty-four million, one thousand, five hundred thirty-one".