531254413343 has 4 divisors (see below), whose sum is σ = 559215171960. Its totient is φ = 503293654728.

The previous prime is 531254413337. The next prime is 531254413351. The reversal of 531254413343 is 343314452135.

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

It is a cyclic number.

It is not a de Polignac number, because 531254413343 - 2⁸ = 531254413087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531254413297 and 531254413306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531254413373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13980379280 + ... + 13980379317.

It is an arithmetic number, because the mean of its divisors is an integer number (139803792990).

Almost surely, 2^531254413343 is an apocalyptic number.

531254413343 is a deficient number, since it is larger than the sum of its proper divisors (27960758617).

531254413343 is a wasteful number, since it uses less digits than its factorization.

531254413343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27960758616.

The product of its digits is 259200, while the sum is 38.

Adding to 531254413343 its reverse (343314452135), we get a palindrome (874568865478).

The spelling of 531254413343 in words is "five hundred thirty-one billion, two hundred fifty-four million, four hundred thirteen thousand, three hundred forty-three".