1323131131230 has 32 divisors (see below), whose sum is σ = 3206955462048. Its totient is φ = 349341552000.

The previous prime is 1323131131219. The next prime is 1323131131241. The reversal of 1323131131230 is 321311313231.

It is an interprime number because it is at equal distance from previous prime (1323131131219) and next prime (1323131131241).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323131131230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218335441 + ... + 218341500.

It is an arithmetic number, because the mean of its divisors is an integer number (100217358189).

Almost surely, 2^{1323131131230} is an apocalyptic number.

1323131131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323131131230 is an abundant number, since it is smaller than the sum of its proper divisors (1883824330818).

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

1323131131230 is a wasteful number, since it uses less digits than its factorization.

1323131131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436677052.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1323131131230 its reverse (321311313231), we get a palindrome (1644442444461).

The spelling of 1323131131230 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty".