31200423114 has 32 divisors (see below), whose sum is σ = 71392942080. Its totient is φ = 8904695472.

The previous prime is 31200423113. The next prime is 31200423143. The reversal of 31200423114 is 41132400213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (31200423113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365574 + ... + 442769.

It is an arithmetic number, because the mean of its divisors is an integer number (2231029440).

Almost surely, 2^31200423114 is an apocalyptic number.

31200423114 is an abundant number, since it is smaller than the sum of its proper divisors (40192518966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31200423114 is a wasteful number, since it uses less digits than its factorization.

31200423114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809274.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31200423114 its reverse (41132400213), we get a palindrome (72332823327).

The spelling of 31200423114 in words is "thirty-one billion, two hundred million, four hundred twenty-three thousand, one hundred fourteen".