31460971 has 2 divisors, whose sum is σ = 31460972. Its totient is φ = 31460970.

The previous prime is 31460951. The next prime is 31460977. The reversal of 31460971 is 17906413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31460971 - 2¹¹ = 31458923 is a prime.

It is not a weakly prime, because it can be changed into another prime (31460977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15730485 + 15730486.

It is an arithmetic number, because the mean of its divisors is an integer number (15730486).

Almost surely, 2^31460971 is an apocalyptic number.

31460971 is a deficient number, since it is larger than the sum of its proper divisors (1).

31460971 is an equidigital number, since it uses as much as digits as its factorization.

31460971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 31460971 is about 5609.0080228147. The cubic root of 31460971 is about 315.6874914789.

The spelling of 31460971 in words is "thirty-one million, four hundred sixty thousand, nine hundred seventy-one".