331020001233 has 24 divisors (see below), whose sum is σ = 480811905288. Its totient is φ = 219449720832.

The previous prime is 331020001199. The next prime is 331020001259. The reversal of 331020001233 is 332100020133.

It can be written as a sum of positive squares in 4 ways, for example, as 273562473024 + 57457528209 = 523032^2 + 239703^2 .

It is not a de Polignac number, because 331020001233 - 2⁸ = 331020000977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331020801233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1250941 + ... + 1492277.

It is an arithmetic number, because the mean of its divisors is an integer number (20033829387).

Almost surely, 2^331020001233 is an apocalyptic number.

It is an amenable number.

331020001233 is a deficient number, since it is larger than the sum of its proper divisors (149791904055).

331020001233 is a wasteful number, since it uses less digits than its factorization.

331020001233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242193 (or 242190 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 331020001233 its reverse (332100020133), we get a palindrome (663120021366).

The spelling of 331020001233 in words is "three hundred thirty-one billion, twenty million, one thousand, two hundred thirty-three".