320030022012031 has 4 divisors (see below), whose sum is σ = 324537487110864. Its totient is φ = 315522556913200.

The previous prime is 320030022012011. The next prime is 320030022012067. The reversal of 320030022012031 is 130210220030023.

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 320030022012031 - 2¹⁵ = 320030021979263 is a prime.

It is a super-2 number, since 2×320030022012031² (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 (320030022012011) 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, 2253732549310 + ... + 2253732549451.

It is an arithmetic number, because the mean of its divisors is an integer number (81134371777716).

Almost surely, 2^{320030022012031} is an apocalyptic number.

320030022012031 is a deficient number, since it is larger than the sum of its proper divisors (4507465098833).

320030022012031 is an equidigital number, since it uses as much as digits as its factorization.

320030022012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507465098832.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320030022012031 its reverse (130210220030023), we get a palindrome (450240242042054).

The spelling of 320030022012031 in words is "three hundred twenty trillion, thirty billion, twenty-two million, twelve thousand, thirty-one".