331236105133 has 8 divisors (see below), whose sum is σ = 333135330840. Its totient is φ = 329342253120.

The previous prime is 331236105131. The next prime is 331236105143. The reversal of 331236105133 is 331501632133.

It can be written as a sum of positive squares in 4 ways, for example, as 23324314729 + 307911790404 = 152723^2 + 554898^2 .

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 331236105133 - 2¹ = 331236105131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331236105095 and 331236105104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331236105131) 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, 1219758 + ... + 1466383.

It is an arithmetic number, because the mean of its divisors is an integer number (41641916355).

Almost surely, 2^331236105133 is an apocalyptic number.

It is an amenable number.

331236105133 is a deficient number, since it is larger than the sum of its proper divisors (1899225707).

331236105133 is a wasteful number, since it uses less digits than its factorization.

331236105133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686847.

The product of its (nonzero) digits is 14580, while the sum is 31.

Adding to 331236105133 its reverse (331501632133), we get a palindrome (662737737266).

The spelling of 331236105133 in words is "three hundred thirty-one billion, two hundred thirty-six million, one hundred five thousand, one hundred thirty-three".