31363069 has 2 divisors, whose sum is σ = 31363070. Its totient is φ = 31363068.

The previous prime is 31363061. The next prime is 31363097. The reversal of 31363069 is 96036313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 10478169 = 4570^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 31363069 - 2³ = 31363061 is a prime.

It is a super-2 number, since 2×31363069² = 1967284194197522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31363069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31363061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15681534 + 15681535.

It is an arithmetic number, because the mean of its divisors is an integer number (15681535).

Almost surely, 2^31363069 is an apocalyptic number.

It is an amenable number.

31363069 is a deficient number, since it is larger than the sum of its proper divisors (1).

31363069 is an equidigital number, since it uses as much as digits as its factorization.

31363069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 31363069 is about 5600.2740111534. The cubic root of 31363069 is about 315.3596932563.

The spelling of 31363069 in words is "thirty-one million, three hundred sixty-three thousand, sixty-nine".