1311422323450 has 48 divisors (see below), whose sum is σ = 2603790757440. Its totient is φ = 489960576000.

The previous prime is 1311422323417. The next prime is 1311422323481. The reversal of 1311422323450 is 543232241131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9653991 + ... + 9788890.

It is an arithmetic number, because the mean of its divisors is an integer number (54245640780).

Almost surely, 2^{1311422323450} is an apocalyptic number.

1311422323450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311422323450 is a deficient number, since it is larger than the sum of its proper divisors (1292368433990).

1311422323450 is a wasteful number, since it uses less digits than its factorization.

1311422323450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19442983 (or 19442978 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1311422323450 its reverse (543232241131), we get a palindrome (1854654564581).

The spelling of 1311422323450 in words is "one trillion, three hundred eleven billion, four hundred twenty-two million, three hundred twenty-three thousand, four hundred fifty".