32210131021 has 2 divisors, whose sum is σ = 32210131022. Its totient is φ = 32210131020.

The previous prime is 32210130989. The next prime is 32210131043. The reversal of 32210131021 is 12013101223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24595648900 + 7614482121 = 156830^2 + 87261^2 .

It is a cyclic number.

It is not a de Polignac number, because 32210131021 - 2⁵ = 32210130989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32210130986 and 32210131004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32210131091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16105065510 + 16105065511.

It is an arithmetic number, because the mean of its divisors is an integer number (16105065511).

Almost surely, 2^32210131021 is an apocalyptic number.

It is an amenable number.

32210131021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32210131021 is an equidigital number, since it uses as much as digits as its factorization.

32210131021 is an evil number, because the sum of its binary digits is even.

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

Adding to 32210131021 its reverse (12013101223), we get a palindrome (44223232244).

The spelling of 32210131021 in words is "thirty-two billion, two hundred ten million, one hundred thirty-one thousand, twenty-one".