320250235513 has 8 divisors (see below), whose sum is σ = 344913524928. Its totient is φ = 295591039824.

The previous prime is 320250235477. The next prime is 320250235549. The reversal of 320250235513 is 315532052023.

It is an interprime number because it is at equal distance from previous prime (320250235477) and next prime (320250235549).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320250235513 - 2²¹ = 320248138361 is a prime.

It is a super-2 number, since 2×320250235513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320250935513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859981 + ... + 1174762.

It is an arithmetic number, because the mean of its divisors is an integer number (43114190616).

Almost surely, 2^320250235513 is an apocalyptic number.

It is an amenable number.

320250235513 is a deficient number, since it is larger than the sum of its proper divisors (24663289415).

320250235513 is a wasteful number, since it uses less digits than its factorization.

320250235513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046863.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 320250235513 its reverse (315532052023), we get a palindrome (635782287536).

The spelling of 320250235513 in words is "three hundred twenty billion, two hundred fifty million, two hundred thirty-five thousand, five hundred thirteen".