1311423356430 has 48 divisors (see below), whose sum is σ = 3719673522864. Its totient is φ = 317920813440.

The previous prime is 1311423356401. The next prime is 1311423356431. The reversal of 1311423356430 is 346533241131.

1311423356430 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 4 + 2 + 3 + 3 + 5 + 643 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311423356431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 662334039 + ... + 662336018.

It is an arithmetic number, because the mean of its divisors is an integer number (77493198393).

Almost surely, 2^{1311423356430} is an apocalyptic number.

1311423356430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311423356430 is an abundant number, since it is smaller than the sum of its proper divisors (2408250166434).

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

1311423356430 is a wasteful number, since it uses less digits than its factorization.

1311423356430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324670081 (or 1324670078 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 1311423356430 its reverse (346533241131), we get a palindrome (1657956597561).

The spelling of 1311423356430 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, three hundred fifty-six thousand, four hundred thirty".