1315440431422 has 16 divisors (see below), whose sum is σ = 2124961146000. Its totient is φ = 607120949952.

The previous prime is 1315440431413. The next prime is 1315440431443. The reversal of 1315440431422 is 2241340445131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5492329 + ... + 5726827.

It is an arithmetic number, because the mean of its divisors is an integer number (132810071625).

Almost surely, 2^{1315440431422} is an apocalyptic number.

1315440431422 is a deficient number, since it is larger than the sum of its proper divisors (809520714578).

1315440431422 is a wasteful number, since it uses less digits than its factorization.

1315440431422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450267.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 1315440431422 its reverse (2241340445131), we get a palindrome (3556780876553).

The spelling of 1315440431422 in words is "one trillion, three hundred fifteen billion, four hundred forty million, four hundred thirty-one thousand, four hundred twenty-two".