31420014212 has 24 divisors (see below), whose sum is σ = 55816053216. Its totient is φ = 15472657728.

The previous prime is 31420014173. The next prime is 31420014233. The reversal of 31420014212 is 21241002413.

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 7 ways as a sum of consecutive naturals, for example, 2629283 + ... + 2641205.

It is an arithmetic number, because the mean of its divisors is an integer number (2325668884).

Almost surely, 2^31420014212 is an apocalyptic number.

It is an amenable number.

31420014212 is a deficient number, since it is larger than the sum of its proper divisors (24396039004).

31420014212 is a wasteful number, since it uses less digits than its factorization.

31420014212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21827 (or 21825 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31420014212 its reverse (21241002413), we get a palindrome (52661016625).

The spelling of 31420014212 in words is "thirty-one billion, four hundred twenty million, fourteen thousand, two hundred twelve".