1311330031030 has 64 divisors (see below), whose sum is σ = 2433139651008. Its totient is φ = 508473884160.

The previous prime is 1311330030949. The next prime is 1311330031031. The reversal of 1311330031030 is 301300331131.

It is a happy number.

It is a super-2 number, since 2×1311330031030² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311330030989 and 1311330031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311330031031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154981000 + ... + 154989460.

It is an arithmetic number, because the mean of its divisors is an integer number (38017807047).

Almost surely, 2^{1311330031030} is an apocalyptic number.

1311330031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311330031030 is a deficient number, since it is larger than the sum of its proper divisors (1121809619978).

1311330031030 is a wasteful number, since it uses less digits than its factorization.

1311330031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 1311330031030 its reverse (301300331131), we get a palindrome (1612630362161).

The spelling of 1311330031030 in words is "one trillion, three hundred eleven billion, three hundred thirty million, thirty-one thousand, thirty".