31463713 has 2 divisors, whose sum is σ = 31463714. Its totient is φ = 31463712.

The previous prime is 31463689. The next prime is 31463717. The reversal of 31463713 is 31736413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17114769 + 14348944 = 4137^2 + 3788^2 .

It is an emirp because it is prime and its reverse (31736413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31463713 - 2⁵ = 31463681 is a prime.

It is not a weakly prime, because it can be changed into another prime (31463717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15731856 + 15731857.

It is an arithmetic number, because the mean of its divisors is an integer number (15731857).

Almost surely, 2^31463713 is an apocalyptic number.

It is an amenable number.

31463713 is a deficient number, since it is larger than the sum of its proper divisors (1).

31463713 is an equidigital number, since it uses as much as digits as its factorization.

31463713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 31463713 is about 5609.2524457364. The cubic root of 31463713 is about 315.6966625240.

It can be divided in two parts, 3146 and 3713, that added together give a cube (6859 = 19³).

The spelling of 31463713 in words is "thirty-one million, four hundred sixty-three thousand, seven hundred thirteen".