1315314121442 has 16 divisors (see below), whose sum is σ = 1992580679232. Its totient is φ = 651123474960.

The previous prime is 1315314121427. The next prime is 1315314121447. The reversal of 1315314121442 is 2441214135131.

It is a junction number, because it is equal to n+sod(n) for n = 1315314121399 and 1315314121408.

It is not an unprimeable number, because it can be changed into a prime (1315314121447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179717 + ... + 1631847.

It is an arithmetic number, because the mean of its divisors is an integer number (124536292452).

Almost surely, 2^{1315314121442} is an apocalyptic number.

1315314121442 is a deficient number, since it is larger than the sum of its proper divisors (677266557790).

1315314121442 is a wasteful number, since it uses less digits than its factorization.

1315314121442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456633.

The product of its digits is 11520, while the sum is 32.

Adding to 1315314121442 its reverse (2441214135131), we get a palindrome (3756528256573).

The spelling of 1315314121442 in words is "one trillion, three hundred fifteen billion, three hundred fourteen million, one hundred twenty-one thousand, four hundred forty-two".