312131141421111 has 12 divisors (see below), whose sum is σ = 450857770042680. Its totient is φ = 208086653670000.

The previous prime is 312131141421023. The next prime is 312131141421131. The reversal of 312131141421111 is 111124141131213.

312131141421111 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 31 + 1 + 414 + 211 + 1 + 1 = 666.

It is not a de Polignac number, because 312131141421111 - 2⁷ = 312131141420983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312131141421131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61935765 + ... + 66785486.

It is an arithmetic number, because the mean of its divisors is an integer number (37571480836890).

Almost surely, 2^{312131141421111} is an apocalyptic number.

312131141421111 is a deficient number, since it is larger than the sum of its proper divisors (138726628621569).

312131141421111 is a wasteful number, since it uses less digits than its factorization.

312131141421111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128990686 (or 128990683 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

Adding to 312131141421111 its reverse (111124141131213), we get a palindrome (423255282552324).

The spelling of 312131141421111 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred forty-one million, four hundred twenty-one thousand, one hundred eleven".