13403202421311 has 20 divisors (see below), whose sum is σ = 20320904655832. Its totient is φ = 8802103079088.

The previous prime is 13403202421309. The next prime is 13403202421379. The reversal of 13403202421311 is 11312420230431.

13403202421311 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 3 + 202 + 421 + 31 + 1 = 666.

It is not a de Polignac number, because 13403202421311 - 2¹ = 13403202421309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403202428311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1234857520 + ... + 1234868373.

Almost surely, 2^{13403202421311} is an apocalyptic number.

13403202421311 is a deficient number, since it is larger than the sum of its proper divisors (6917702234521).

13403202421311 is an equidigital number, since it uses as much as digits as its factorization.

13403202421311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469725972 (or 2469725963 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13403202421311 its reverse (11312420230431), we get a palindrome (24715622651742).

The spelling of 13403202421311 in words is "thirteen trillion, four hundred three billion, two hundred two million, four hundred twenty-one thousand, three hundred eleven".