31243402114 has 8 divisors (see below), whose sum is σ = 46866973068. Its totient is φ = 15621077760.

The previous prime is 31243402093. The next prime is 31243402117. The reversal of 31243402114 is 41120434213.

It can be written as a sum of positive squares in 2 ways, for example, as 30426871489 + 816530625 = 174433^2 + 28575^2 .

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 (31243402117) 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, 246247 + ... + 350890.

Almost surely, 2^31243402114 is an apocalyptic number.

31243402114 is a deficient number, since it is larger than the sum of its proper divisors (15623570954).

31243402114 is a wasteful number, since it uses less digits than its factorization.

31243402114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623300.

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

Adding to 31243402114 its reverse (41120434213), we get a palindrome (72363836327).

The spelling of 31243402114 in words is "thirty-one billion, two hundred forty-three million, four hundred two thousand, one hundred fourteen".