331201030131 has 48 divisors (see below), whose sum is σ = 486297695520. Its totient is φ = 217182182400.

The previous prime is 331201030051. The next prime is 331201030151. The reversal of 331201030131 is 131030102133.

It is a happy number.

331201030131 is a `hidden beast` number, since 331 + 2 + 0 + 1 + 0 + 301 + 31 = 666.

It is not a de Polignac number, because 331201030131 - 2¹⁸ = 331200767987 is a prime.

It is a super-2 number, since 2×331201030131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331201030151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298647805 + ... + 298648913.

It is an arithmetic number, because the mean of its divisors is an integer number (10131201990).

Almost surely, 2^331201030131 is an apocalyptic number.

331201030131 is a deficient number, since it is larger than the sum of its proper divisors (155096665389).

331201030131 is a wasteful number, since it uses less digits than its factorization.

331201030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 331201030131 its reverse (131030102133), we get a palindrome (462231132264).

The spelling of 331201030131 in words is "three hundred thirty-one billion, two hundred one million, thirty thousand, one hundred thirty-one".