321232231121031 has 12 divisors (see below), whose sum is σ = 466565659199640. Its totient is φ = 212971644941040.

The previous prime is 321232231121029. The next prime is 321232231121077. The reversal of 321232231121031 is 130121132232123.

321232231121031 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 322 + 311 + 21 + 0 + 3 + 1 = 666.

It is not a de Polignac number, because 321232231121031 - 2¹ = 321232231121029 is a prime.

It is a super-2 number, since 2×321232231121031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321232231120986 and 321232231121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321232231121531) 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, 98597982141 + ... + 98597985398.

It is an arithmetic number, because the mean of its divisors is an integer number (38880471599970).

Almost surely, 2^{321232231121031} is an apocalyptic number.

321232231121031 is a deficient number, since it is larger than the sum of its proper divisors (145333428078609).

321232231121031 is a wasteful number, since it uses less digits than its factorization.

321232231121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197195967726 (or 197195967723 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 321232231121031 its reverse (130121132232123), we get a palindrome (451353363353154).

The spelling of 321232231121031 in words is "three hundred twenty-one trillion, two hundred thirty-two billion, two hundred thirty-one million, one hundred twenty-one thousand, thirty-one".