1311121001030 has 16 divisors (see below), whose sum is σ = 2373659526384. Its totient is φ = 521416906080.

The previous prime is 1311121000963. The next prime is 1311121001059. The reversal of 1311121001030 is 301001211131.

It is a happy number.

It is a super-2 number, since 2×1311121001030² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311121000996 and 1311121001014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378934976 + ... + 378938435.

It is an arithmetic number, because the mean of its divisors is an integer number (148353720399).

Almost surely, 2^{1311121001030} is an apocalyptic number.

1311121001030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311121001030 is a deficient number, since it is larger than the sum of its proper divisors (1062538525354).

1311121001030 is a wasteful number, since it uses less digits than its factorization.

1311121001030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757873591.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1311121001030 its reverse (301001211131), we get a palindrome (1612122212161).

The spelling of 1311121001030 in words is "one trillion, three hundred eleven billion, one hundred twenty-one million, one thousand, thirty".