961130020271 has 2 divisors, whose sum is σ = 961130020272. Its totient is φ = 961130020270.

The previous prime is 961130020267. The next prime is 961130020283. The reversal of 961130020271 is 172020031169.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 961130020271 - 2² = 961130020267 is a prime.

It is a super-2 number, since 2×961130020271² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961130620271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480565010135 + 480565010136.

It is an arithmetic number, because the mean of its divisors is an integer number (480565010136).

Almost surely, 2^961130020271 is an apocalyptic number.

961130020271 is a deficient number, since it is larger than the sum of its proper divisors (1).

961130020271 is an equidigital number, since it uses as much as digits as its factorization.

961130020271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 961130020271 in words is "nine hundred sixty-one billion, one hundred thirty million, twenty thousand, two hundred seventy-one".