2931478343 has 2 divisors, whose sum is σ = 2931478344. Its totient is φ = 2931478342.

The previous prime is 2931478337. The next prime is 2931478349. The reversal of 2931478343 is 3438741392.

It is a balanced prime because it is at equal distance from previous prime (2931478337) and next prime (2931478349).

It is a cyclic number.

It is not a de Polignac number, because 2931478343 - 2¹⁸ = 2931216199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2931478294 and 2931478303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2931478349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465739171 + 1465739172.

It is an arithmetic number, because the mean of its divisors is an integer number (1465739172).

Almost surely, 2^2931478343 is an apocalyptic number.

2931478343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2931478343 is an equidigital number, since it uses as much as digits as its factorization.

2931478343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 2931478343 is about 54143.1283082165. The cubic root of 2931478343 is about 1431.1842998566.

The spelling of 2931478343 in words is "two billion, nine hundred thirty-one million, four hundred seventy-eight thousand, three hundred forty-three".