1311412623430 has 64 divisors (see below), whose sum is σ = 2946202979328. Its totient is φ = 409194817920.

The previous prime is 1311412623407. The next prime is 1311412623431. The reversal of 1311412623430 is 343262141131.

It is a junction number, because it is equal to n+sod(n) for n = 1311412623392 and 1311412623401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311412623431) 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, 10084072 + ... + 10213291.

It is an arithmetic number, because the mean of its divisors is an integer number (46034421552).

Almost surely, 2^{1311412623430} is an apocalyptic number.

1311412623430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311412623430 is an abundant number, since it is smaller than the sum of its proper divisors (1634790355898).

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

1311412623430 is a wasteful number, since it uses less digits than its factorization.

1311412623430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20297461.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 1311412623430 its reverse (343262141131), we get a palindrome (1654674764561).

The spelling of 1311412623430 in words is "one trillion, three hundred eleven billion, four hundred twelve million, six hundred twenty-three thousand, four hundred thirty".