1305631001214 has 48 divisors (see below), whose sum is σ = 2856650015232. Its totient is φ = 430936992144.

The previous prime is 1305631001203. The next prime is 1305631001243. The reversal of 1305631001214 is 4121001365031.

It is a happy number.

1305631001214 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 631 + 0 + 0 + 1 + 21 + 4 = 666.

It is a super-2 number, since 2×1305631001214² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19141879 + ... + 19209965.

It is an arithmetic number, because the mean of its divisors is an integer number (59513541984).

Almost surely, 2^{1305631001214} is an apocalyptic number.

1305631001214 is an abundant number, since it is smaller than the sum of its proper divisors (1551019014018).

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

1305631001214 is a wasteful number, since it uses less digits than its factorization.

1305631001214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78541 (or 78538 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 1305631001214 its reverse (4121001365031), we get a palindrome (5426632366245).

The spelling of 1305631001214 in words is "one trillion, three hundred five billion, six hundred thirty-one million, one thousand, two hundred fourteen".