31426066 has 8 divisors (see below), whose sum is σ = 53873280. Its totient is φ = 13468308.

The previous prime is 31426051. The next prime is 31426067. The reversal of 31426066 is 66062413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31426067) 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 in 3 ways as a sum of consecutive naturals, for example, 1122346 + ... + 1122373.

It is an arithmetic number, because the mean of its divisors is an integer number (6734160).

Almost surely, 2^31426066 is an apocalyptic number.

31426066 is a deficient number, since it is larger than the sum of its proper divisors (22447214).

31426066 is a wasteful number, since it uses less digits than its factorization.

31426066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244728.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 31426066 is about 5605.8956465493. The cubic root of 31426066 is about 315.5706996872.

Adding to 31426066 its reverse (66062413), we get a palindrome (97488479).

The spelling of 31426066 in words is "thirty-one million, four hundred twenty-six thousand, sixty-six".