3431478361 has 2 divisors, whose sum is σ = 3431478362. Its totient is φ = 3431478360.

The previous prime is 3431478359. The next prime is 3431478371. The reversal of 3431478361 is 1638741343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3428805136 + 2673225 = 58556^2 + 1635^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431478361 - 2¹ = 3431478359 is a prime.

It is a super-2 number, since 2×3431478361² = 23550087484022492642, which contains 22 as substring.

Together with 3431478359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3431478311) 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 as a sum of consecutive naturals, namely, 1715739180 + 1715739181.

It is an arithmetic number, because the mean of its divisors is an integer number (1715739181).

Almost surely, 2^3431478361 is an apocalyptic number.

It is an amenable number.

3431478361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431478361 is an equidigital number, since it uses as much as digits as its factorization.

3431478361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 3431478361 is about 58578.8217788648. The cubic root of 3431478361 is about 1508.3209207597.

The spelling of 3431478361 in words is "three billion, four hundred thirty-one million, four hundred seventy-eight thousand, three hundred sixty-one".