31416479 has 2 divisors, whose sum is σ = 31416480. Its totient is φ = 31416478.

The previous prime is 31416461. The next prime is 31416487. The reversal of 31416479 is 97461413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31416479 - 2⁸ = 31416223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31416409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15708239 + 15708240.

It is an arithmetic number, because the mean of its divisors is an integer number (15708240).

Almost surely, 2^31416479 is an apocalyptic number.

31416479 is a deficient number, since it is larger than the sum of its proper divisors (1).

31416479 is an equidigital number, since it uses as much as digits as its factorization.

31416479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 31416479 is about 5605.0404994077. The cubic root of 31416479 is about 315.5386065410.

The spelling of 31416479 in words is "thirty-one million, four hundred sixteen thousand, four hundred seventy-nine".