1031332902161 has 2 divisors, whose sum is σ = 1031332902162. Its totient is φ = 1031332902160.

The previous prime is 1031332902113. The next prime is 1031332902191. The reversal of 1031332902161 is 1612092331301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1005878614225 + 25454287936 = 1002935^2 + 159544^2 .

It is an emirp because it is prime and its reverse (1612092331301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031332902161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1031332902191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515666451080 + 515666451081.

It is an arithmetic number, because the mean of its divisors is an integer number (515666451081).

Almost surely, 2^{1031332902161} is an apocalyptic number.

It is an amenable number.

1031332902161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031332902161 is an equidigital number, since it uses as much as digits as its factorization.

1031332902161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 1031332902161 in words is "one trillion, thirty-one billion, three hundred thirty-two million, nine hundred two thousand, one hundred sixty-one".