1311123132230 has 16 divisors (see below), whose sum is σ = 2400022005840. Its totient is φ = 515560282272.

The previous prime is 1311123132211. The next prime is 1311123132307. The reversal of 1311123132230 is 322313211131.

It is a junction number, because it is equal to n+sod(n) for n = 1311123132196 and 1311123132205.

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, 1111120709 + ... + 1111121888.

It is an arithmetic number, because the mean of its divisors is an integer number (150001375365).

Almost surely, 2^{1311123132230} is an apocalyptic number.

1311123132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311123132230 is a deficient number, since it is larger than the sum of its proper divisors (1088898873610).

1311123132230 is a wasteful number, since it uses less digits than its factorization.

1311123132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222242663.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1311123132230 its reverse (322313211131), we get a palindrome (1633436343361).

The spelling of 1311123132230 in words is "one trillion, three hundred eleven billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty".