31332132361 has 2 divisors, whose sum is σ = 31332132362. Its totient is φ = 31332132360.

The previous prime is 31332132317. The next prime is 31332132383. The reversal of 31332132361 is 16323123313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31030936336 + 301196025 = 176156^2 + 17355^2 .

It is a cyclic number.

It is not a de Polignac number, because 31332132361 - 2²⁵ = 31298577929 is a prime.

It is not a weakly prime, because it can be changed into another prime (31332132661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15666066180 + 15666066181.

It is an arithmetic number, because the mean of its divisors is an integer number (15666066181).

Almost surely, 2^31332132361 is an apocalyptic number.

It is an amenable number.

31332132361 is a deficient number, since it is larger than the sum of its proper divisors (1).

31332132361 is an equidigital number, since it uses as much as digits as its factorization.

31332132361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 28.

Adding to 31332132361 its reverse (16323123313), we get a palindrome (47655255674).

The spelling of 31332132361 in words is "thirty-one billion, three hundred thirty-two million, one hundred thirty-two thousand, three hundred sixty-one".