31243304214 has 12 divisors (see below), whose sum is σ = 67693825836. Its totient is φ = 10414434732.

The previous prime is 31243304207. The next prime is 31243304243. The reversal of 31243304214 is 41240334213.

31243304214 is a `hidden beast` number, since 3 + 12 + 433 + 0 + 4 + 214 = 666.

It is a super-2 number, since 2×31243304214² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867869544 + ... + 867869579.

It is an arithmetic number, because the mean of its divisors is an integer number (5641152153).

Almost surely, 2^31243304214 is an apocalyptic number.

31243304214 is an abundant number, since it is smaller than the sum of its proper divisors (36450521622).

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

31243304214 is a wasteful number, since it uses less digits than its factorization.

31243304214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735739131 (or 1735739128 counting only the distinct ones).

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

Adding to 31243304214 its reverse (41240334213), we get a palindrome (72483638427).

The spelling of 31243304214 in words is "thirty-one billion, two hundred forty-three million, three hundred four thousand, two hundred fourteen".