131312213311 has 2 divisors, whose sum is σ = 131312213312. Its totient is φ = 131312213310.

The previous prime is 131312213281. The next prime is 131312213401. The reversal of 131312213311 is 113312213131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131312213311 - 2⁷ = 131312213183 is a prime.

It is a super-3 number, since 3×131312213311³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131312213911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65656106655 + 65656106656.

It is an arithmetic number, because the mean of its divisors is an integer number (65656106656).

Almost surely, 2^131312213311 is an apocalyptic number.

131312213311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131312213311 is an equidigital number, since it uses as much as digits as its factorization.

131312213311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 22.

Adding to 131312213311 its reverse (113312213131), we get a palindrome (244624426442).

The spelling of 131312213311 in words is "one hundred thirty-one billion, three hundred twelve million, two hundred thirteen thousand, three hundred eleven".