20131312101319 has 2 divisors, whose sum is σ = 20131312101320. Its totient is φ = 20131312101318.

The previous prime is 20131312101317. The next prime is 20131312101413. The reversal of 20131312101319 is 91310121313102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20131312101319 - 2¹ = 20131312101317 is a prime.

It is a super-2 number, since 2×20131312101319² (a number of 27 digits) contains 22 as substring.

Together with 20131312101317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20131312101317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065656050659 + 10065656050660.

It is an arithmetic number, because the mean of its divisors is an integer number (10065656050660).

Almost surely, 2^{20131312101319} is an apocalyptic number.

20131312101319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20131312101319 is an equidigital number, since it uses as much as digits as its factorization.

20131312101319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 20131312101319 in words is "twenty trillion, one hundred thirty-one billion, three hundred twelve million, one hundred one thousand, three hundred nineteen".