2311371061 has 2 divisors, whose sum is σ = 2311371062. Its totient is φ = 2311371060.

The previous prime is 2311371059. The next prime is 2311371077. The reversal of 2311371061 is 1601731132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2306880900 + 4490161 = 48030^2 + 2119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311371061 - 2¹ = 2311371059 is a prime.

Together with 2311371059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311371001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155685530 + 1155685531.

It is an arithmetic number, because the mean of its divisors is an integer number (1155685531).

Almost surely, 2^2311371061 is an apocalyptic number.

It is an amenable number.

2311371061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311371061 is an equidigital number, since it uses as much as digits as its factorization.

2311371061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2311371061 is about 48076.7205724351. The cubic root of 2311371061 is about 1322.1778901851.

The spelling of 2311371061 in words is "two billion, three hundred eleven million, three hundred seventy-one thousand, sixty-one".