1231323013302 has 32 divisors (see below), whose sum is σ = 2520812257920. Its totient is φ = 400753416000.

The previous prime is 1231323013289. The next prime is 1231323013367. The reversal of 1231323013302 is 2033103231321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119199 + ... + 1573802.

It is an arithmetic number, because the mean of its divisors is an integer number (78775383060).

Almost surely, 2^{1231323013302} is an apocalyptic number.

1231323013302 is an abundant number, since it is smaller than the sum of its proper divisors (1289489244618).

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

1231323013302 is a wasteful number, since it uses less digits than its factorization.

1231323013302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695868.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1231323013302 its reverse (2033103231321), we get a palindrome (3264426244623).

The spelling of 1231323013302 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-three million, thirteen thousand, three hundred two".