321131012103031 has 8 divisors (see below), whose sum is σ = 364035155420720. Its totient is φ = 280827119895552.

The previous prime is 321131012102981. The next prime is 321131012103091. The reversal of 321131012103031 is 130301210131123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321131012103031 - 2⁷ = 321131012102903 is a prime.

It is a super-2 number, since 2×321131012103031² (a number of 30 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 = 321131012102993 and 321131012103011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321131012103091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650062777290 + ... + 650062777783.

It is an arithmetic number, because the mean of its divisors is an integer number (45504394427590).

Almost surely, 2^{321131012103031} is an apocalyptic number.

321131012103031 is a deficient number, since it is larger than the sum of its proper divisors (42904143317689).

321131012103031 is a wasteful number, since it uses less digits than its factorization.

321131012103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300125555105.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 321131012103031 its reverse (130301210131123), we get a palindrome (451432222234154).

The spelling of 321131012103031 in words is "three hundred twenty-one trillion, one hundred thirty-one billion, twelve million, one hundred three thousand, thirty-one".