1311633006630 has 32 divisors (see below), whose sum is σ = 3151592462304. Its totient is φ = 349360663296.

The previous prime is 1311633006599. The next prime is 1311633006689. The reversal of 1311633006630 is 366003361131.

It is a super-2 number, since 2×1311633006630² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311633006591 and 1311633006600.

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, 25482517 + ... + 25533936.

It is an arithmetic number, because the mean of its divisors is an integer number (98487264447).

Almost surely, 2^{1311633006630} is an apocalyptic number.

1311633006630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311633006630 is an abundant number, since it is smaller than the sum of its proper divisors (1839959455674).

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

1311633006630 is a wasteful number, since it uses less digits than its factorization.

1311633006630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51017320.

The product of its (nonzero) digits is 17496, while the sum is 33.

Adding to 1311633006630 its reverse (366003361131), we get a palindrome (1677636367761).

The spelling of 1311633006630 in words is "one trillion, three hundred eleven billion, six hundred thirty-three million, six thousand, six hundred thirty".