2261347371 has 12 divisors (see below), whose sum is σ = 3266803072. Its totient is φ = 1507374576.

The previous prime is 2261347357. The next prime is 2261347381. The reversal of 2261347371 is 1737431622.

2261347371 is a `hidden beast` number, since 2 + 2 + 613 + 4 + 7 + 37 + 1 = 666.

It is not a de Polignac number, because 2261347371 - 2⁶ = 2261347307 is a prime.

It is a super-2 number, since 2×2261347371² = 10227383864657223282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261347381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129270 + ... + 145716.

Almost surely, 2^2261347371 is an apocalyptic number.

2261347371 is a deficient number, since it is larger than the sum of its proper divisors (1005455701).

2261347371 is a wasteful number, since it uses less digits than its factorization.

2261347371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31730 (or 31727 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 2261347371 is about 47553.6262655121. The cubic root of 2261347371 is about 1312.5698579416.

Adding to 2261347371 its reverse (1737431622), we get a palindrome (3998778993).

The spelling of 2261347371 in words is "two billion, two hundred sixty-one million, three hundred forty-seven thousand, three hundred seventy-one".