1310421554331 has 16 divisors (see below), whose sum is σ = 1853805717504. Its totient is φ = 820536925824.

The previous prime is 1310421554327. The next prime is 1310421554339. The reversal of 1310421554331 is 1334551240131.

It is not a de Polignac number, because 1310421554331 - 2² = 1310421554327 is a prime.

It is a super-3 number, since 3×1310421554331³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1310421554292 and 1310421554301.

It is not an unprimeable number, because it can be changed into a prime (1310421554339) 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 15 ways as a sum of consecutive naturals, for example, 26355595 + ... + 26405268.

It is an arithmetic number, because the mean of its divisors is an integer number (115862857344).

Almost surely, 2^{1310421554331} is an apocalyptic number.

1310421554331 is a deficient number, since it is larger than the sum of its proper divisors (543384163173).

1310421554331 is a wasteful number, since it uses less digits than its factorization.

1310421554331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52761370.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 1310421554331 its reverse (1334551240131), we get a palindrome (2644972794462).

The spelling of 1310421554331 in words is "one trillion, three hundred ten billion, four hundred twenty-one million, five hundred fifty-four thousand, three hundred thirty-one".