31432223214 has 96 divisors (see below), whose sum is σ = 81881280000. Its totient is φ = 8523934272.

The previous prime is 31432223213. The next prime is 31432223227. The reversal of 31432223214 is 41232223413.

31432223214 is a `hidden beast` number, since 3 + 1 + 432 + 223 + 2 + 1 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31432223213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142687 + ... + 288485.

It is an arithmetic number, because the mean of its divisors is an integer number (852930000).

Almost surely, 2^31432223214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31432223214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40940640000).

31432223214 is an abundant number, since it is smaller than the sum of its proper divisors (50449056786).

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

31432223214 is a wasteful number, since it uses less digits than its factorization.

31432223214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145902 (or 145899 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 31432223214 its reverse (41232223413), we get a palindrome (72664446627).

The spelling of 31432223214 in words is "thirty-one billion, four hundred thirty-two million, two hundred twenty-three thousand, two hundred fourteen".