1310011221423 has 16 divisors (see below), whose sum is σ = 1766361634560. Its totient is φ = 863501415744.

The previous prime is 1310011221377. The next prime is 1310011221443. The reversal of 1310011221423 is 3241221100131.

It is not a de Polignac number, because 1310011221423 - 2⁶ = 1310011221359 is a prime.

It is a super-2 number, since 2×1310011221423² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1310011221423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310011221443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12578040 + ... + 12681762.

It is an arithmetic number, because the mean of its divisors is an integer number (110397602160).

Almost surely, 2^{1310011221423} is an apocalyptic number.

1310011221423 is a deficient number, since it is larger than the sum of its proper divisors (456350413137).

1310011221423 is a wasteful number, since it uses less digits than its factorization.

1310011221423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151118.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1310011221423 its reverse (3241221100131), we get a palindrome (4551232321554).

The spelling of 1310011221423 in words is "one trillion, three hundred ten billion, eleven million, two hundred twenty-one thousand, four hundred twenty-three".