321101131131 has 12 divisors (see below), whose sum is σ = 505977540120. Its totient is φ = 194606746080.

The previous prime is 321101131123. The next prime is 321101131147. The reversal of 321101131131 is 131131101123.

321101131131 is a `hidden beast` number, since 321 + 1 + 0 + 1 + 1 + 311 + 31 = 666.

It is not a de Polignac number, because 321101131131 - 2³ = 321101131123 is a prime.

It is a super-2 number, since 2×321101131131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321101131931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1621722786 + ... + 1621722983.

It is an arithmetic number, because the mean of its divisors is an integer number (42164795010).

Almost surely, 2^321101131131 is an apocalyptic number.

321101131131 is a deficient number, since it is larger than the sum of its proper divisors (184876408989).

321101131131 is a wasteful number, since it uses less digits than its factorization.

321101131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243445786 (or 3243445783 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 321101131131 its reverse (131131101123), we get a palindrome (452232232254).

The spelling of 321101131131 in words is "three hundred twenty-one billion, one hundred one million, one hundred thirty-one thousand, one hundred thirty-one".