31214200430 has 32 divisors (see below), whose sum is σ = 64373870016. Its totient is φ = 10675044864.

The previous prime is 31214200397. The next prime is 31214200447. The reversal of 31214200430 is 3400241213.

It is a congruent number.

It is an unprimeable number.

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, 533819 + ... + 589398.

It is an arithmetic number, because the mean of its divisors is an integer number (2011683438).

Almost surely, 2^31214200430 is an apocalyptic number.

31214200430 is an abundant number, since it is smaller than the sum of its proper divisors (33159669586).

31214200430 is a wasteful number, since it uses less digits than its factorization.

31214200430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123628.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31214200430 its reverse (3400241213), we get a palindrome (34614441643).

The spelling of 31214200430 in words is "thirty-one billion, two hundred fourteen million, two hundred thousand, four hundred thirty".