321141031 has 2 divisors, whose sum is σ = 321141032. Its totient is φ = 321141030.

The previous prime is 321141017. The next prime is 321141047. The reversal of 321141031 is 130141123.

It is an a-pointer prime, because the next prime (321141047) can be obtained adding 321141031 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321141031 - 2⁷ = 321140903 is a prime.

It is a super-2 number, since 2×321141031² = 206263123583485922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321140996 and 321141014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321141001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160570515 + 160570516.

It is an arithmetic number, because the mean of its divisors is an integer number (160570516).

Almost surely, 2^321141031 is an apocalyptic number.

321141031 is a deficient number, since it is larger than the sum of its proper divisors (1).

321141031 is an equidigital number, since it uses as much as digits as its factorization.

321141031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 321141031 is about 17920.4082263770. The cubic root of 321141031 is about 684.8023874534.

Adding to 321141031 its reverse (130141123), we get a palindrome (451282154).

The spelling of 321141031 in words is "three hundred twenty-one million, one hundred forty-one thousand, thirty-one".