1316553311332 has 48 divisors (see below), whose sum is σ = 2643346016640. Its totient is φ = 562043699712.

The previous prime is 1316553311323. The next prime is 1316553311369. The reversal of 1316553311332 is 2331133556131.

It is a happy number.

It is a super-2 number, since 2×1316553311332² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1316553311291 and 1316553311300.

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, 60373143 + ... + 60394945.

It is an arithmetic number, because the mean of its divisors is an integer number (55069708680).

Almost surely, 2^{1316553311332} is an apocalyptic number.

It is an amenable number.

1316553311332 is an abundant number, since it is smaller than the sum of its proper divisors (1326792705308).

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

1316553311332 is a wasteful number, since it uses less digits than its factorization.

1316553311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30100 (or 30098 counting only the distinct ones).

The product of its digits is 72900, while the sum is 37.

Adding to 1316553311332 its reverse (2331133556131), we get a palindrome (3647686867463).

The spelling of 1316553311332 in words is "one trillion, three hundred sixteen billion, five hundred fifty-three million, three hundred eleven thousand, three hundred thirty-two".