3231130221029 has 2 divisors, whose sum is σ = 3231130221030. Its totient is φ = 3231130221028.

The previous prime is 3231130220977. The next prime is 3231130221031. The reversal of 3231130221029 is 9201220311323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2891734260100 + 339395960929 = 1700510^2 + 582577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3231130221029 is a prime.

Together with 3231130221031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3231130220992 and 3231130221010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3231130221049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615565110514 + 1615565110515.

It is an arithmetic number, because the mean of its divisors is an integer number (1615565110515).

Almost surely, 2^{3231130221029} is an apocalyptic number.

It is an amenable number.

3231130221029 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231130221029 is an equidigital number, since it uses as much as digits as its factorization.

3231130221029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 3231130221029 in words is "three trillion, two hundred thirty-one billion, one hundred thirty million, two hundred twenty-one thousand, twenty-nine".