3213123021131 has 2 divisors, whose sum is σ = 3213123021132. Its totient is φ = 3213123021130.

The previous prime is 3213123021089. The next prime is 3213123021179. The reversal of 3213123021131 is 1311203213123.

3213123021131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3213123021131 - 2⁶ = 3213123021067 is a prime.

It is a super-2 number, since 2×3213123021131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3213123021097 and 3213123021106.

It is not a weakly prime, because it can be changed into another prime (3213123021331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606561510565 + 1606561510566.

It is an arithmetic number, because the mean of its divisors is an integer number (1606561510566).

Almost surely, 2^{3213123021131} is an apocalyptic number.

3213123021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213123021131 is an equidigital number, since it uses as much as digits as its factorization.

3213123021131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3213123021131 its reverse (1311203213123), we get a palindrome (4524326234254).

The spelling of 3213123021131 in words is "three trillion, two hundred thirteen billion, one hundred twenty-three million, twenty-one thousand, one hundred thirty-one".