31243045214 has 8 divisors (see below), whose sum is σ = 46898507208. Its totient is φ = 15610209480.

The previous prime is 31243045189. The next prime is 31243045217. The reversal of 31243045214 is 41254034213.

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

It is a super-2 number, since 2×31243045214² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31243045217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5653112 + ... + 5658635.

It is an arithmetic number, because the mean of its divisors is an integer number (5862313401).

Almost surely, 2^31243045214 is an apocalyptic number.

31243045214 is a deficient number, since it is larger than the sum of its proper divisors (15655461994).

31243045214 is a wasteful number, since it uses less digits than its factorization.

31243045214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11313130.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 31243045214 its reverse (41254034213), we get a palindrome (72497079427).

The spelling of 31243045214 in words is "thirty-one billion, two hundred forty-three million, forty-five thousand, two hundred fourteen".