212301231131 has 16 divisors (see below), whose sum is σ = 232342656000. Its totient is φ = 192384292320.

The previous prime is 212301231127. The next prime is 212301231143. The reversal of 212301231131 is 131132103212.

It is a happy number.

212301231131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212301231131 - 2² = 212301231127 is a prime.

It is a super-2 number, since 2×212301231131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212301231101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4659446 + ... + 4704788.

It is an arithmetic number, because the mean of its divisors is an integer number (14521416000).

Almost surely, 2^212301231131 is an apocalyptic number.

212301231131 is a deficient number, since it is larger than the sum of its proper divisors (20041424869).

212301231131 is a wasteful number, since it uses less digits than its factorization.

212301231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46706.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212301231131 its reverse (131132103212), we get a palindrome (343433334343).

The spelling of 212301231131 in words is "two hundred twelve billion, three hundred one million, two hundred thirty-one thousand, one hundred thirty-one".