331230323011 has 4 divisors (see below), whose sum is σ = 378548940592. Its totient is φ = 283911705432.

The previous prime is 331230322957. The next prime is 331230323023. The reversal of 331230323011 is 110323032133.

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 331230323011 - 2¹³ = 331230314819 is a prime.

It is a super-2 number, since 2×331230323011² (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 (331230323311) 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, 23659308780 + ... + 23659308793.

It is an arithmetic number, because the mean of its divisors is an integer number (94637235148).

Almost surely, 2^331230323011 is an apocalyptic number.

331230323011 is a deficient number, since it is larger than the sum of its proper divisors (47318617581).

331230323011 is an equidigital number, since it uses as much as digits as its factorization.

331230323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47318617580.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 331230323011 its reverse (110323032133), we get a palindrome (441553355144).

The spelling of 331230323011 in words is "three hundred thirty-one billion, two hundred thirty million, three hundred twenty-three thousand, eleven".