1213431330254 has 64 divisors (see below), whose sum is σ = 2162797604352. Its totient is φ = 503331926400.

The previous prime is 1213431330253. The next prime is 1213431330257. The reversal of 1213431330254 is 4520331343121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213431330254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213431330253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14862464 + ... + 14943884.

It is an arithmetic number, because the mean of its divisors is an integer number (33793712568).

Almost surely, 2^{1213431330254} is an apocalyptic number.

1213431330254 is a deficient number, since it is larger than the sum of its proper divisors (949366274098).

1213431330254 is a wasteful number, since it uses less digits than its factorization.

1213431330254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82041.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 1213431330254 its reverse (4520331343121), we get a palindrome (5733762673375).

The spelling of 1213431330254 in words is "one trillion, two hundred thirteen billion, four hundred thirty-one million, three hundred thirty thousand, two hundred fifty-four".