320532011051 has 4 divisors (see below), whose sum is σ = 366322298352. Its totient is φ = 274741723752.

The previous prime is 320532011003. The next prime is 320532011069. The reversal of 320532011051 is 150110235023.

It is a happy number.

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 320532011051 - 2³⁴ = 303352141867 is a prime.

It is a super-2 number, since 2×320532011051² (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 (320532011351) 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, 22895143640 + ... + 22895143653.

It is an arithmetic number, because the mean of its divisors is an integer number (91580574588).

Almost surely, 2^320532011051 is an apocalyptic number.

320532011051 is a deficient number, since it is larger than the sum of its proper divisors (45790287301).

320532011051 is an equidigital number, since it uses as much as digits as its factorization.

320532011051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45790287300.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 320532011051 its reverse (150110235023), we get a palindrome (470642246074).

The spelling of 320532011051 in words is "three hundred twenty billion, five hundred thirty-two million, eleven thousand, fifty-one".