31230002 has 8 divisors (see below), whose sum is σ = 47126016. Its totient is φ = 15521332.

The previous prime is 31229999. The next prime is 31230029. The reversal of 31230002 is 20003213.

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

It is a super-3 number, since 3×31230002³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46418 + ... + 47085.

It is an arithmetic number, because the mean of its divisors is an integer number (5890752).

Almost surely, 2^31230002 is an apocalyptic number.

31230002 is a deficient number, since it is larger than the sum of its proper divisors (15896014).

31230002 is a wasteful number, since it uses less digits than its factorization.

31230002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93672.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 31230002 is about 5588.3809820019. The cubic root of 31230002 is about 314.9130590666.

Adding to 31230002 its reverse (20003213), we get a palindrome (51233215).

The spelling of 31230002 in words is "thirty-one million, two hundred thirty thousand, two".