320430251103511 has 8 divisors (see below), whose sum is σ = 320910823089360. Its totient is φ = 319949692323072.

The previous prime is 320430251103343. The next prime is 320430251103583. The reversal of 320430251103511 is 115301152034023.

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 320430251103511 - 2³³ = 320421661168919 is a prime.

It is a super-2 number, since 2×320430251103511² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320430251100511) 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, 45812625 + ... + 52341733.

It is an arithmetic number, because the mean of its divisors is an integer number (40113852886170).

Almost surely, 2^{320430251103511} is an apocalyptic number.

320430251103511 is a deficient number, since it is larger than the sum of its proper divisors (480571985849).

320430251103511 is an equidigital number, since it uses as much as digits as its factorization.

320430251103511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602705.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 320430251103511 in words is "three hundred twenty trillion, four hundred thirty billion, two hundred fifty-one million, one hundred three thousand, five hundred eleven".