32120222531 has 2 divisors, whose sum is σ = 32120222532. Its totient is φ = 32120222530.

The previous prime is 32120222527. The next prime is 32120222543. The reversal of 32120222531 is 13522202123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32120222531 - 2² = 32120222527 is a prime.

It is a super-2 number, since 2×32120222531² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 32120222497 and 32120222506.

It is not a weakly prime, because it can be changed into another prime (32120221531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060111265 + 16060111266.

It is an arithmetic number, because the mean of its divisors is an integer number (16060111266).

Almost surely, 2^32120222531 is an apocalyptic number.

32120222531 is a deficient number, since it is larger than the sum of its proper divisors (1).

32120222531 is an equidigital number, since it uses as much as digits as its factorization.

32120222531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 32120222531 its reverse (13522202123), we get a palindrome (45642424654).

The spelling of 32120222531 in words is "thirty-two billion, one hundred twenty million, two hundred twenty-two thousand, five hundred thirty-one".