131212022222311 has 4 divisors (see below), whose sum is σ = 131212715514624. Its totient is φ = 131211328930000.

The previous prime is 131212022222299. The next prime is 131212022222353. The reversal of 131212022222311 is 113222220212131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131212022222311 - 2⁵ = 131212022222279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212022222011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346362190 + ... + 346740811.

It is an arithmetic number, because the mean of its divisors is an integer number (32803178878656).

Almost surely, 2^{131212022222311} is an apocalyptic number.

131212022222311 is a deficient number, since it is larger than the sum of its proper divisors (693292313).

131212022222311 is an equidigital number, since it uses as much as digits as its factorization.

131212022222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693292312.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 131212022222311 its reverse (113222220212131), we get a palindrome (244434242434442).

The spelling of 131212022222311 in words is "one hundred thirty-one trillion, two hundred twelve billion, twenty-two million, two hundred twenty-two thousand, three hundred eleven".