320234544502351 has 4 divisors (see below), whose sum is σ = 323172476103400. Its totient is φ = 317296612901304.

The previous prime is 320234544502339. The next prime is 320234544502393. The reversal of 320234544502351 is 153205445432023.

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 320234544502351 - 2²³ = 320234536113743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320234544502298 and 320234544502307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320234544502321) 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, 1468965800361 + ... + 1468965800578.

It is an arithmetic number, because the mean of its divisors is an integer number (80793119025850).

Almost surely, 2^{320234544502351} is an apocalyptic number.

320234544502351 is a deficient number, since it is larger than the sum of its proper divisors (2937931601049).

320234544502351 is a wasteful number, since it uses less digits than its factorization.

320234544502351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937931601048.

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 320234544502351 its reverse (153205445432023), we get a palindrome (473439989934374).

The spelling of 320234544502351 in words is "three hundred twenty trillion, two hundred thirty-four billion, five hundred forty-four million, five hundred two thousand, three hundred fifty-one".