31140200302 has 16 divisors (see below), whose sum is σ = 47059815600. Its totient is φ = 15453659520.

The previous prime is 31140200269. The next prime is 31140200327. The reversal of 31140200302 is 20300204113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1094902 + ... + 1122982.

It is an arithmetic number, because the mean of its divisors is an integer number (2941238475).

Almost surely, 2^31140200302 is an apocalyptic number.

31140200302 is a deficient number, since it is larger than the sum of its proper divisors (15919615298).

31140200302 is a wasteful number, since it uses less digits than its factorization.

31140200302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32211.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31140200302 its reverse (20300204113), we get a palindrome (51440404415).

The spelling of 31140200302 in words is "thirty-one billion, one hundred forty million, two hundred thousand, three hundred two".