1311230312130 has 32 divisors (see below), whose sum is σ = 3147197270400. Its totient is φ = 349634247552.

The previous prime is 1311230312123. The next prime is 1311230312137. The reversal of 1311230312130 is 312130321131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1311230312123) and next prime (1311230312137).

It is a junction number, because it is equal to n+sod(n) for n = 1311230312097 and 1311230312106.

It is not an unprimeable number, because it can be changed into a prime (1311230312137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304035 + ... + 2079174.

It is an arithmetic number, because the mean of its divisors is an integer number (98349914700).

Almost surely, 2^{1311230312130} is an apocalyptic number.

1311230312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311230312130 is an abundant number, since it is smaller than the sum of its proper divisors (1835966958270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311230312130 is a wasteful number, since it uses less digits than its factorization.

1311230312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396138.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1311230312130 its reverse (312130321131), we get a palindrome (1623360633261).

Subtracting from 1311230312130 its reverse (312130321131), we obtain a palindrome (999099990999).

The spelling of 1311230312130 in words is "one trillion, three hundred eleven billion, two hundred thirty million, three hundred twelve thousand, one hundred thirty".