31331230030 has 16 divisors (see below), whose sum is σ = 57190528224. Its totient is φ = 12355977760.

The previous prime is 31331230001. The next prime is 31331230043. The reversal of 31331230030 is 3003213313.

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, 22063537 + ... + 22064956.

It is an arithmetic number, because the mean of its divisors is an integer number (3574408014).

Almost surely, 2^31331230030 is an apocalyptic number.

31331230030 is a deficient number, since it is larger than the sum of its proper divisors (25859298194).

31331230030 is a wasteful number, since it uses less digits than its factorization.

31331230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44128571.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 31331230030 its reverse (3003213313), we get a palindrome (34334443343).

The spelling of 31331230030 in words is "thirty-one billion, three hundred thirty-one million, two hundred thirty thousand, thirty".