32103213161 has 2 divisors, whose sum is σ = 32103213162. Its totient is φ = 32103213160.

The previous prime is 32103213071. The next prime is 32103213167. The reversal of 32103213161 is 16131230123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21337905625 + 10765307536 = 146075^2 + 103756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32103213161 is a prime.

It is a super-2 number, since 2×32103213161² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32103213167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16051606580 + 16051606581.

It is an arithmetic number, because the mean of its divisors is an integer number (16051606581).

Almost surely, 2^32103213161 is an apocalyptic number.

It is an amenable number.

32103213161 is a deficient number, since it is larger than the sum of its proper divisors (1).

32103213161 is an equidigital number, since it uses as much as digits as its factorization.

32103213161 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 32103213161 its reverse (16131230123), we get a palindrome (48234443284).

The spelling of 32103213161 in words is "thirty-two billion, one hundred three million, two hundred thirteen thousand, one hundred sixty-one".