31143112210 has 16 divisors (see below), whose sum is σ = 64065830976. Its totient is φ = 10677638448.

The previous prime is 31143112207. The next prime is 31143112237. The reversal of 31143112210 is 1221134113.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 222450732 + ... + 222450871.

It is an arithmetic number, because the mean of its divisors is an integer number (4004114436).

Almost surely, 2^31143112210 is an apocalyptic number.

31143112210 is an abundant number, since it is smaller than the sum of its proper divisors (32922718766).

31143112210 is a wasteful number, since it uses less digits than its factorization.

31143112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444901617.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31143112210 its reverse (1221134113), we get a palindrome (32364246323).

The spelling of 31143112210 in words is "thirty-one billion, one hundred forty-three million, one hundred twelve thousand, two hundred ten".