31495063 has 2 divisors, whose sum is σ = 31495064. Its totient is φ = 31495062.

The previous prime is 31495043. The next prime is 31495109. The reversal of 31495063 is 36059413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31495063 - 2¹⁷ = 31363991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31495003) 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, 15747531 + 15747532.

It is an arithmetic number, because the mean of its divisors is an integer number (15747532).

Almost surely, 2^31495063 is an apocalyptic number.

31495063 is a deficient number, since it is larger than the sum of its proper divisors (1).

31495063 is an equidigital number, since it uses as much as digits as its factorization.

31495063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 31495063 is about 5612.0462400091. The cubic root of 31495063 is about 315.8014796201.

It can be divided in two parts, 314950 and 63, that multiplied together give a triangular number (19841850 = T₆₂₉₉).

The spelling of 31495063 in words is "thirty-one million, four hundred ninety-five thousand, sixty-three".