947340631 has 2 divisors, whose sum is σ = 947340632. Its totient is φ = 947340630.

The previous prime is 947340599. The next prime is 947340649. The reversal of 947340631 is 136043749.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 947340631 - 2⁵ = 947340599 is a prime.

It is a super-2 number, since 2×947340631² = 1794908542286956322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947340661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473670315 + 473670316.

It is an arithmetic number, because the mean of its divisors is an integer number (473670316).

Almost surely, 2^947340631 is an apocalyptic number.

947340631 is a deficient number, since it is larger than the sum of its proper divisors (1).

947340631 is an equidigital number, since it uses as much as digits as its factorization.

947340631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 947340631 is about 30778.8991193642. The cubic root of 947340631 is about 982.1294218030.

The spelling of 947340631 in words is "nine hundred forty-seven million, three hundred forty thousand, six hundred thirty-one".