331100133121131 has 32 divisors (see below), whose sum is σ = 507101149351680. Its totient is φ = 190047748176000.

The previous prime is 331100133121127. The next prime is 331100133121141. The reversal of 331100133121131 is 131121331001133.

It is not a de Polignac number, because 331100133121131 - 2² = 331100133121127 is a prime.

It is a super-2 number, since 2×331100133121131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331100133121141) 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, 77916700 + ... + 82056153.

It is an arithmetic number, because the mean of its divisors is an integer number (15846910917240).

Almost surely, 2^{331100133121131} is an apocalyptic number.

331100133121131 is a deficient number, since it is larger than the sum of its proper divisors (176001016230549).

331100133121131 is a wasteful number, since it uses less digits than its factorization.

331100133121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159976187.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 331100133121131 its reverse (131121331001133), we get a palindrome (462221464122264).

The spelling of 331100133121131 in words is "three hundred thirty-one trillion, one hundred billion, one hundred thirty-three million, one hundred twenty-one thousand, one hundred thirty-one".