3345143120531 has 4 divisors (see below), whose sum is σ = 3350709083064. Its totient is φ = 3339577158000.

The previous prime is 3345143120521. The next prime is 3345143120567. The reversal of 3345143120531 is 1350213415433.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3345143120531 is a prime.

It is a super-2 number, since 2×3345143120531² (a number of 26 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 = 3345143120491 and 3345143120500.

It is not an unprimeable number, because it can be changed into a prime (3345143120521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2782980365 + ... + 2782981566.

It is an arithmetic number, because the mean of its divisors is an integer number (837677270766).

Almost surely, 2^{3345143120531} is an apocalyptic number.

3345143120531 is a deficient number, since it is larger than the sum of its proper divisors (5565962533).

3345143120531 is an equidigital number, since it uses as much as digits as its factorization.

3345143120531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565962532.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 3345143120531 its reverse (1350213415433), we get a palindrome (4695356535964).

The spelling of 3345143120531 in words is "three trillion, three hundred forty-five billion, one hundred forty-three million, one hundred twenty thousand, five hundred thirty-one".