31459201 has 2 divisors, whose sum is σ = 31459202. Its totient is φ = 31459200.

The previous prime is 31459199. The next prime is 31459217. The reversal of 31459201 is 10295413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26832400 + 4626801 = 5180^2 + 2151^2 .

It is a cyclic number.

It is not a de Polignac number, because 31459201 - 2¹ = 31459199 is a prime.

Together with 31459199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (31459261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15729600 + 15729601.

It is an arithmetic number, because the mean of its divisors is an integer number (15729601).

Almost surely, 2^31459201 is an apocalyptic number.

It is an amenable number.

31459201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31459201 is an equidigital number, since it uses as much as digits as its factorization.

31459201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 31459201 is about 5608.8502386853. The cubic root of 31459201 is about 315.6815711558.

The spelling of 31459201 in words is "thirty-one million, four hundred fifty-nine thousand, two hundred one".