1313401120522 has 4 divisors (see below), whose sum is σ = 1970101680786. Its totient is φ = 656700560260.

The previous prime is 1313401120517. The next prime is 1313401120543. The reversal of 1313401120522 is 2250211043131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1307910162321 + 5490958201 = 1143639^2 + 74101^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328350280129 + ... + 328350280132.

Almost surely, 2^{1313401120522} is an apocalyptic number.

1313401120522 is a deficient number, since it is larger than the sum of its proper divisors (656700560264).

1313401120522 is an equidigital number, since it uses as much as digits as its factorization.

1313401120522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656700560263.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1313401120522 its reverse (2250211043131), we get a palindrome (3563612163653).

The spelling of 1313401120522 in words is "one trillion, three hundred thirteen billion, four hundred one million, one hundred twenty thousand, five hundred twenty-two".