331131303001131 has 32 divisors (see below), whose sum is σ = 492097165148160. Its totient is φ = 196828070017536.

The previous prime is 331131303001111. The next prime is 331131303001141. The reversal of 331131303001131 is 131100303131133.

It is not a de Polignac number, because 331131303001131 - 2¹⁰ = 331131303000107 is a prime.

It is a super-2 number, since 2×331131303001131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331131303001111) 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 31 ways as a sum of consecutive naturals, for example, 30804705 + ... + 40139661.

It is an arithmetic number, because the mean of its divisors is an integer number (15378036410880).

Almost surely, 2^{331131303001131} is an apocalyptic number.

331131303001131 is a deficient number, since it is larger than the sum of its proper divisors (160965862147029).

331131303001131 is a wasteful number, since it uses less digits than its factorization.

331131303001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371603.

The product of its (nonzero) digits is 729, while the sum is 24.

Adding to 331131303001131 its reverse (131100303131133), we get a palindrome (462231606132264).

The spelling of 331131303001131 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, three hundred three million, one thousand, one hundred thirty-one".