31440221314 has 8 divisors (see below), whose sum is σ = 47204700480. Its totient is φ = 15705321156.

The previous prime is 31440221287. The next prime is 31440221317. The reversal of 31440221314 is 41312204413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31440221317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7392094 + ... + 7396345.

It is an arithmetic number, because the mean of its divisors is an integer number (5900587560).

Almost surely, 2^31440221314 is an apocalyptic number.

31440221314 is a deficient number, since it is larger than the sum of its proper divisors (15764479166).

31440221314 is a wasteful number, since it uses less digits than its factorization.

31440221314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14789504.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31440221314 its reverse (41312204413), we get a palindrome (72752425727).

The spelling of 31440221314 in words is "thirty-one billion, four hundred forty million, two hundred twenty-one thousand, three hundred fourteen".