20131213440314 has 8 divisors (see below), whose sum is σ = 30196928254548. Its totient is φ = 10065570688800.

The previous prime is 20131213440311. The next prime is 20131213440341. The reversal of 20131213440314 is 41304431213102.

It can be written as a sum of positive squares in 2 ways, for example, as 19328904496225 + 802308944089 = 4396465^2 + 895717^2 .

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 (20131213440311) 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, 17311787 + ... + 18438014.

Almost surely, 2^{20131213440314} is an apocalyptic number.

20131213440314 is a deficient number, since it is larger than the sum of its proper divisors (10065714814234).

20131213440314 is a wasteful number, since it uses less digits than its factorization.

20131213440314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36031360.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20131213440314 its reverse (41304431213102), we get a palindrome (61435644653416).

The spelling of 20131213440314 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirteen million, four hundred forty thousand, three hundred fourteen".