31063066 has 4 divisors (see below), whose sum is σ = 46594602. Its totient is φ = 15531532.

The previous prime is 31063061. The next prime is 31063079. The reversal of 31063066 is 66036013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24453025 + 6610041 = 4945^2 + 2571^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31063066.

It is not an unprimeable number, because it can be changed into a prime (31063061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765765 + ... + 7765768.

Almost surely, 2^31063066 is an apocalyptic number.

31063066 is a deficient number, since it is larger than the sum of its proper divisors (15531536).

31063066 is a wasteful number, since it uses less digits than its factorization.

31063066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15531535.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 31063066 is about 5573.4249793103. The cubic root of 31063066 is about 314.3509470852.

Adding to 31063066 its reverse (66036013), we get a palindrome (97099079).

The spelling of 31063066 in words is "thirty-one million, sixty-three thousand, sixty-six".