32142403021 has 2 divisors, whose sum is σ = 32142403022. Its totient is φ = 32142403020.

The previous prime is 32142402991. The next prime is 32142403031. The reversal of 32142403021 is 12030424123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28803181225 + 3339221796 = 169715^2 + 57786^2 .

It is a cyclic number.

It is not a de Polignac number, because 32142403021 - 2⁵ = 32142402989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32142402983 and 32142403001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32142403031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16071201510 + 16071201511.

It is an arithmetic number, because the mean of its divisors is an integer number (16071201511).

Almost surely, 2^32142403021 is an apocalyptic number.

It is an amenable number.

32142403021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32142403021 is an equidigital number, since it uses as much as digits as its factorization.

32142403021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 32142403021 its reverse (12030424123), we get a palindrome (44172827144).

The spelling of 32142403021 in words is "thirty-two billion, one hundred forty-two million, four hundred three thousand, twenty-one".