2312278101 has 36 divisors (see below), whose sum is σ = 3895949772. Its totient is φ = 1317665664.

The previous prime is 2312278081. The next prime is 2312278121. The reversal of 2312278101 is 1018722132.

It is an interprime number because it is at equal distance from previous prime (2312278081) and next prime (2312278121).

It can be written as a sum of positive squares in 2 ways, for example, as 539447076 + 1772831025 = 23226^2 + 42105^2 .

It is not a de Polignac number, because 2312278101 - 2⁷ = 2312277973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312278121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 157465 + ... + 171521.

It is an arithmetic number, because the mean of its divisors is an integer number (108220827).

Almost surely, 2^2312278101 is an apocalyptic number.

2312278101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2312278101 is a deficient number, since it is larger than the sum of its proper divisors (1583671671).

2312278101 is a wasteful number, since it uses less digits than its factorization.

2312278101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14450 (or 14440 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 2312278101 is about 48086.1529028888. The cubic root of 2312278101 is about 1322.3508194929.

The spelling of 2312278101 in words is "two billion, three hundred twelve million, two hundred seventy-eight thousand, one hundred one".