1311230432130 has 64 divisors (see below), whose sum is σ = 3341955801600. Its totient is φ = 328116547584.

The previous prime is 1311230432129. The next prime is 1311230432131. The reversal of 1311230432130 is 312340321131.

It is an interprime number because it is at equal distance from previous prime (1311230432129) and next prime (1311230432131).

It is a super-2 number, since 2×1311230432130² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1311230432130.

It is not an unprimeable number, because it can be changed into a prime (1311230432131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3642730 + ... + 3986469.

It is an arithmetic number, because the mean of its divisors is an integer number (52218059400).

Almost surely, 2^{1311230432130} is an apocalyptic number.

1311230432130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311230432130 is an abundant number, since it is smaller than the sum of its proper divisors (2030725369470).

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

1311230432130 is a wasteful number, since it uses less digits than its factorization.

1311230432130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629563.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1311230432130 its reverse (312340321131), we get a palindrome (1623570753261).

The spelling of 1311230432130 in words is "one trillion, three hundred eleven billion, two hundred thirty million, four hundred thirty-two thousand, one hundred thirty".