56431165343 has 4 divisors (see below), whose sum is σ = 64492760400. Its totient is φ = 48369570288.

The previous prime is 56431165303. The next prime is 56431165391. The reversal of 56431165343 is 34356113465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34356113465 = 5 ⋅6871222693.

It is a cyclic number.

It is not a de Polignac number, because 56431165343 - 2³² = 52136198047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56431165343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56431165303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4030797518 + ... + 4030797531.

It is an arithmetic number, because the mean of its divisors is an integer number (16123190100).

Almost surely, 2^56431165343 is an apocalyptic number.

56431165343 is a deficient number, since it is larger than the sum of its proper divisors (8061595057).

56431165343 is an equidigital number, since it uses as much as digits as its factorization.

56431165343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061595056.

The product of its digits is 388800, while the sum is 41.

The spelling of 56431165343 in words is "fifty-six billion, four hundred thirty-one million, one hundred sixty-five thousand, three hundred forty-three".