321032113131 has 4 divisors (see below), whose sum is σ = 428042817512. Its totient is φ = 214021408752.

The previous prime is 321032113121. The next prime is 321032113139. The reversal of 321032113131 is 131311230123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 321032113131 - 2⁹ = 321032112619 is a prime.

It is a super-2 number, since 2×321032113131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321032113098 and 321032113107.

It is not an unprimeable number, because it can be changed into a prime (321032113139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53505352186 + ... + 53505352191.

It is an arithmetic number, because the mean of its divisors is an integer number (107010704378).

Almost surely, 2^321032113131 is an apocalyptic number.

321032113131 is a deficient number, since it is larger than the sum of its proper divisors (107010704381).

321032113131 is a wasteful number, since it uses less digits than its factorization.

321032113131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107010704380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 321032113131 its reverse (131311230123), we get a palindrome (452343343254).

The spelling of 321032113131 in words is "three hundred twenty-one billion, thirty-two million, one hundred thirteen thousand, one hundred thirty-one".