1311230022225 has 48 divisors (see below), whose sum is σ = 2194368926400. Its totient is φ = 690787102720.

The previous prime is 1311230022197. The next prime is 1311230022233. The reversal of 1311230022225 is 5222200321131.

It is not a de Polignac number, because 1311230022225 - 2¹⁵ = 1311229989457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311230022195 and 1311230022204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52084441 + ... + 52109609.

It is an arithmetic number, because the mean of its divisors is an integer number (45716019300).

Almost surely, 2^{1311230022225} is an apocalyptic number.

1311230022225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1311230022225 is a deficient number, since it is larger than the sum of its proper divisors (883138904175).

1311230022225 is a wasteful number, since it uses less digits than its factorization.

1311230022225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33634 (or 33629 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1311230022225 its reverse (5222200321131), we get a palindrome (6533430343356).

The spelling of 1311230022225 in words is "one trillion, three hundred eleven billion, two hundred thirty million, twenty-two thousand, two hundred twenty-five".