1303221440015 has 32 divisors (see below), whose sum is σ = 1742793421824. Its totient is φ = 927386893440.

The previous prime is 1303221440011. The next prime is 1303221440047. The reversal of 1303221440015 is 5100441223031.

It is a happy number.

It is not a de Polignac number, because 1303221440015 - 2² = 1303221440011 is a prime.

It is a super-2 number, since 2×1303221440015² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303221440011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10035077 + ... + 10164113.

It is an arithmetic number, because the mean of its divisors is an integer number (54462294432).

Almost surely, 2^{1303221440015} is an apocalyptic number.

1303221440015 is a deficient number, since it is larger than the sum of its proper divisors (439571981809).

1303221440015 is a wasteful number, since it uses less digits than its factorization.

1303221440015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133007.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1303221440015 its reverse (5100441223031), we get a palindrome (6403662663046).

The spelling of 1303221440015 in words is "one trillion, three hundred three billion, two hundred twenty-one million, four hundred forty thousand, fifteen".