1311230310219 has 12 divisors (see below), whose sum is σ = 1912751806992. Its totient is φ = 865498554000.

The previous prime is 1311230310209. The next prime is 1311230310227. The reversal of 1311230310219 is 9120130321131.

1311230310219 is a `hidden beast` number, since 1 + 311 + 2 + 30 + 310 + 2 + 1 + 9 = 666.

It is not a de Polignac number, because 1311230310219 - 2¹³ = 1311230302027 is a prime.

It is a super-2 number, since 2×1311230310219² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311230310192 and 1311230310201.

It is not an unprimeable number, because it can be changed into a prime (1311230310209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721247887 + ... + 721249704.

It is an arithmetic number, because the mean of its divisors is an integer number (159395983916).

Almost surely, 2^{1311230310219} is an apocalyptic number.

1311230310219 is a deficient number, since it is larger than the sum of its proper divisors (601521496773).

1311230310219 is a wasteful number, since it uses less digits than its factorization.

1311230310219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442497698 (or 1442497695 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 1311230310219 in words is "one trillion, three hundred eleven billion, two hundred thirty million, three hundred ten thousand, two hundred nineteen".