31460851 has 2 divisors, whose sum is σ = 31460852. Its totient is φ = 31460850.

The previous prime is 31460839. The next prime is 31460873. The reversal of 31460851 is 15806413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31460851 - 2⁹ = 31460339 is a prime.

It is not a weakly prime, because it can be changed into another prime (31460831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15730425 + 15730426.

It is an arithmetic number, because the mean of its divisors is an integer number (15730426).

Almost surely, 2^31460851 is an apocalyptic number.

31460851 is a deficient number, since it is larger than the sum of its proper divisors (1).

31460851 is an equidigital number, since it uses as much as digits as its factorization.

31460851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 31460851 is about 5608.9973257259. The cubic root of 31460851 is about 315.6870901081.

The spelling of 31460851 in words is "thirty-one million, four hundred sixty thousand, eight hundred fifty-one".