1311620402622 has 32 divisors (see below), whose sum is σ = 2632318640640. Its totient is φ = 435695932800.

The previous prime is 1311620402597. The next prime is 1311620402633. The reversal of 1311620402622 is 2262040261131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311620402622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2237493 + ... + 2762175.

It is an arithmetic number, because the mean of its divisors is an integer number (82259957520).

Almost surely, 2^{1311620402622} is an apocalyptic number.

1311620402622 is an abundant number, since it is smaller than the sum of its proper divisors (1320698238018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311620402622 is a wasteful number, since it uses less digits than its factorization.

1311620402622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526128.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 1311620402622 its reverse (2262040261131), we get a palindrome (3573660663753).

The spelling of 1311620402622 in words is "one trillion, three hundred eleven billion, six hundred twenty million, four hundred two thousand, six hundred twenty-two".