320420101343 has 32 divisors (see below), whose sum is σ = 340554020352. Its totient is φ = 301061836800.

The previous prime is 320420101307. The next prime is 320420101373. The reversal of 320420101343 is 343101024023.

It is not a de Polignac number, because 320420101343 - 2⁶ = 320420101279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320420101373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61228055 + ... + 61233287.

It is an arithmetic number, because the mean of its divisors is an integer number (10642313136).

Almost surely, 2^320420101343 is an apocalyptic number.

320420101343 is a deficient number, since it is larger than the sum of its proper divisors (20133919009).

320420101343 is a wasteful number, since it uses less digits than its factorization.

320420101343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 320420101343 its reverse (343101024023), we get a palindrome (663521125366).

The spelling of 320420101343 in words is "three hundred twenty billion, four hundred twenty million, one hundred one thousand, three hundred forty-three".