1223303131402 has 8 divisors (see below), whose sum is σ = 2001768760512. Its totient is φ = 556046877900.

The previous prime is 1223303131397. The next prime is 1223303131417. The reversal of 1223303131402 is 2041313033221.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 27802343874 + ... + 27802343917.

It is an arithmetic number, because the mean of its divisors is an integer number (250221095064).

Almost surely, 2^{1223303131402} is an apocalyptic number.

1223303131402 is a deficient number, since it is larger than the sum of its proper divisors (778465629110).

1223303131402 is a wasteful number, since it uses less digits than its factorization.

1223303131402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55604687804.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1223303131402 its reverse (2041313033221), we get a palindrome (3264616164623).

The spelling of 1223303131402 in words is "one trillion, two hundred twenty-three billion, three hundred three million, one hundred thirty-one thousand, four hundred two".