4313981197 has 2 divisors, whose sum is σ = 4313981198. Its totient is φ = 4313981196.

The previous prime is 4313981143. The next prime is 4313981233. The reversal of 4313981197 is 7911893134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4309397316 + 4583881 = 65646^2 + 2141^2 .

It is a cyclic number.

It is not a de Polignac number, because 4313981197 - 2⁷ = 4313981069 is a prime.

It is a super-2 number, since 2×4313981197² = 37220867536139105618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4313981117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156990598 + 2156990599.

It is an arithmetic number, because the mean of its divisors is an integer number (2156990599).

Almost surely, 2^4313981197 is an apocalyptic number.

It is an amenable number.

4313981197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4313981197 is an equidigital number, since it uses as much as digits as its factorization.

4313981197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 4313981197 is about 65680.9043558324. The cubic root of 4313981197 is about 1627.8938505980.

The spelling of 4313981197 in words is "four billion, three hundred thirteen million, nine hundred eighty-one thousand, one hundred ninety-seven".